1041023440 has 60 divisors (see below), whose sum is σ = 2506880844. Its totient is φ = 402024448.

The previous prime is 1041023429. The next prime is 1041023479. The reversal of 1041023440 is 443201401.

It can be written as a sum of positive squares in 6 ways, for example, as 7529536 + 1033493904 = 2744^2 + 32148^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59544 + ... + 75016.

Almost surely, 2^1041023440 is an apocalyptic number.

1041023440 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 1041023440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253440422).

1041023440 is an abundant number, since it is smaller than the sum of its proper divisors (1465857404).

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

1041023440 is a wasteful number, since it uses less digits than its factorization.

1041023440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15544 (or 15509 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1041023440 is about 32264.8948549348. The cubic root of 1041023440 is about 1013.4916371259.

Adding to 1041023440 its reverse (443201401), we get a palindrome (1484224841).

The spelling of 1041023440 in words is "one billion, forty-one million, twenty-three thousand, four hundred forty".