158272258403240 has 32 divisors (see below), whose sum is σ = 356112939489480. Its totient is φ = 63308839702272.

The previous prime is 158272258403219. The next prime is 158272258403243. The reversal of 158272258403240 is 42304852272851.

It can be written as a sum of positive squares in 4 ways, for example, as 145331849393956 + 12940409009284 = 12055366^2 + 3597278^2 .

It is not an unprimeable number, because it can be changed into a prime (158272258403243) 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, 77517542 + ... + 79533098.

Almost surely, 2^{158272258403240} is an apocalyptic number.

158272258403240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158272258403240 is an abundant number, since it is smaller than the sum of its proper divisors (197840681086240).

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

158272258403240 is a wasteful number, since it uses less digits than its factorization.

158272258403240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978701 (or 3978697 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 53.

The spelling of 158272258403240 in words is "one hundred fifty-eight trillion, two hundred seventy-two billion, two hundred fifty-eight million, four hundred three thousand, two hundred forty".