100421406044 has 24 divisors (see below), whose sum is σ = 186177933648. Its totient is φ = 47230979840.

The previous prime is 100421405989. The next prime is 100421406053. The reversal of 100421406044 is 440604124001.

It is a congruent number.

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, 284579 + ... + 530874.

It is an arithmetic number, because the mean of its divisors is an integer number (7757413902).

Almost surely, 2^100421406044 is an apocalyptic number.

It is an amenable number.

100421406044 is a deficient number, since it is larger than the sum of its proper divisors (85756527604).

100421406044 is a wasteful number, since it uses less digits than its factorization.

100421406044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817285 (or 817283 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The spelling of 100421406044 in words is "one hundred billion, four hundred twenty-one million, four hundred six thousand, forty-four".