1202245440 has 448 divisors, whose sum is σ = 4553273088. Its totient is φ = 265420800.

The previous prime is 1202245439. The next prime is 1202245459. The reversal of 1202245440 is 445422021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1202245440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6642150 + ... + 6642330.

It is an arithmetic number, because the mean of its divisors is an integer number (10163556).

Almost surely, 2^1202245440 is an apocalyptic number.

1202245440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202245440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2276636544).

1202245440 is an abundant number, since it is smaller than the sum of its proper divisors (3351027648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202245440 is a wasteful number, since it uses less digits than its factorization.

1202245440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1202245440 is about 34673.4111387963. The cubic root of 1202245440 is about 1063.3209717632.

Adding to 1202245440 its reverse (445422021), we get a palindrome (1647667461).

It can be divided in two parts, 1202 and 245440, that added together give a palindrome (246642).

The spelling of 1202245440 in words is "one billion, two hundred two million, two hundred forty-five thousand, four hundred forty".