100364556440 has 32 divisors (see below), whose sum is σ = 226623908160. Its totient is φ = 40002950400.

The previous prime is 100364556437. The next prime is 100364556449. The reversal of 100364556440 is 44655463001.

It is a junction number, because it is equal to n+sod(n) for n = 100364556394 and 100364556403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100364556449) 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, 4453376 + ... + 4475855.

It is an arithmetic number, because the mean of its divisors is an integer number (7081997130).

Almost surely, 2^100364556440 is an apocalyptic number.

100364556440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100364556440 is an abundant number, since it is smaller than the sum of its proper divisors (126259351720).

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

100364556440 is a wasteful number, since it uses less digits than its factorization.

100364556440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8929523 (or 8929519 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 100364556440 in words is "one hundred billion, three hundred sixty-four million, five hundred fifty-six thousand, four hundred forty".