157732366440 has 128 divisors (see below), whose sum is σ = 516309811200. Its totient is φ = 38231128320.

The previous prime is 157732366433. The next prime is 157732366469. The reversal of 157732366440 is 44663237751.

157732366440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 157732366440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13245529 + ... + 13257431.

It is an arithmetic number, because the mean of its divisors is an integer number (4033670400).

Almost surely, 2^157732366440 is an apocalyptic number.

157732366440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157732366440 is an abundant number, since it is smaller than the sum of its proper divisors (358577444760).

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

157732366440 is a wasteful number, since it uses less digits than its factorization.

157732366440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21967 (or 21963 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 157732366440 in words is "one hundred fifty-seven billion, seven hundred thirty-two million, three hundred sixty-six thousand, four hundred forty".