1301550040 has 64 divisors (see below), whose sum is σ = 3396844800. Its totient is φ = 439579008.

The previous prime is 1301550037. The next prime is 1301550077. The reversal of 1301550040 is 400551031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15930 + ... + 53449.

It is an arithmetic number, because the mean of its divisors is an integer number (53075700).

Almost surely, 2^1301550040 is an apocalyptic number.

1301550040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301550040 is an abundant number, since it is smaller than the sum of its proper divisors (2095294760).

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

1301550040 is a wasteful number, since it uses less digits than its factorization.

1301550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69464 (or 69460 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1301550040 is about 36077.0015383762. The cubic root of 1301550040 is about 1091.8264806787.

Subtracting from 1301550040 its reverse (400551031), we obtain a palindrome (900999009).

The spelling of 1301550040 in words is "one billion, three hundred one million, five hundred fifty thousand, forty".