158240457900 has 756 divisors, whose sum is σ = 618643945920. Its totient is φ = 34978003200.

The previous prime is 158240457899. The next prime is 158240457911. The reversal of 158240457900 is 9754042851.

158240457900 is a `hidden beast` number, since 1 + 58 + 24 + 0 + 4 + 579 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (756).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 251 ways as a sum of consecutive naturals, for example, 110734386 + ... + 110735814.

Almost surely, 2^158240457900 is an apocalyptic number.

158240457900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158240457900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309321972960).

158240457900 is an abundant number, since it is smaller than the sum of its proper divisors (460403488020).

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

158240457900 is a wasteful number, since it uses less digits than its factorization.

158240457900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 158240457900 in words is "one hundred fifty-eight billion, two hundred forty million, four hundred fifty-seven thousand, nine hundred".