100185462440 has 32 divisors (see below), whose sum is σ = 257619761280. Its totient is φ = 34349301312.

The previous prime is 100185462439. The next prime is 100185462473. The reversal of 100185462440 is 44264581001.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 100185462440.

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, 178902332 + ... + 178902891.

It is an arithmetic number, because the mean of its divisors is an integer number (8050617540).

Almost surely, 2^100185462440 is an apocalyptic number.

100185462440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100185462440 is an abundant number, since it is smaller than the sum of its proper divisors (157434298840).

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

100185462440 is a wasteful number, since it uses less digits than its factorization.

100185462440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357805241 (or 357805237 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 100185462440 in words is "one hundred billion, one hundred eighty-five million, four hundred sixty-two thousand, four hundred forty".