100156487840 has 48 divisors (see below), whose sum is σ = 237154000608. Its totient is φ = 39972132096.

The previous prime is 100156487839. The next prime is 100156487863. The reversal of 100156487840 is 48784651001.

It is a junction number, because it is equal to n+sod(n) for n = 100156487791 and 100156487800.

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 7 ways as a sum of consecutive naturals, for example, 635642 + ... + 777401.

It is an arithmetic number, because the mean of its divisors is an integer number (4940708346).

Almost surely, 2^100156487840 is an apocalyptic number.

100156487840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100156487840 is an abundant number, since it is smaller than the sum of its proper divisors (136997512768).

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

100156487840 is a wasteful number, since it uses less digits than its factorization.

100156487840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413501 (or 1413493 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 100156487840 in words is "one hundred billion, one hundred fifty-six million, four hundred eighty-seven thousand, eight hundred forty".