115457046440 has 32 divisors (see below), whose sum is σ = 260029927080. Its totient is φ = 46138094592.

The previous prime is 115457046431. The next prime is 115457046449. The reversal of 115457046440 is 44640754511.

It is an interprime number because it is at equal distance from previous prime (115457046431) and next prime (115457046449).

It can be written as a sum of positive squares in 4 ways, for example, as 115394731204 + 62315236 = 339698^2 + 7894^2 .

It is not an unprimeable number, because it can be changed into a prime (115457046449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355789 + ... + 1438428.

Almost surely, 2^115457046440 is an apocalyptic number.

115457046440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115457046440 is an abundant number, since it is smaller than the sum of its proper divisors (144572880640).

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

115457046440 is a wasteful number, since it uses less digits than its factorization.

115457046440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795261 (or 2795257 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 115457046440 in words is "one hundred fifteen billion, four hundred fifty-seven million, forty-six thousand, four hundred forty".