158716488440 has 32 divisors (see below), whose sum is σ = 369426312000. Its totient is φ = 61297401984.

The previous prime is 158716488419. The next prime is 158716488479. The reversal of 158716488440 is 44884617851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68411120 + ... + 68413439.

It is an arithmetic number, because the mean of its divisors is an integer number (11544572250).

Almost surely, 2^158716488440 is an apocalyptic number.

158716488440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158716488440 is an abundant number, since it is smaller than the sum of its proper divisors (210709823560).

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

158716488440 is a wasteful number, since it uses less digits than its factorization.

158716488440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136824599 (or 136824595 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 56.

The spelling of 158716488440 in words is "one hundred fifty-eight billion, seven hundred sixteen million, four hundred eighty-eight thousand, four hundred forty".