421386590108 has 24 divisors (see below), whose sum is σ = 804491410800. Its totient is φ = 191533144320.

The previous prime is 421386590099. The next prime is 421386590111. The reversal of 421386590108 is 801095683124.

It is a happy number.

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, 1388468 + ... + 1664516.

It is an arithmetic number, because the mean of its divisors is an integer number (33520475450).

Almost surely, 2^421386590108 is an apocalyptic number.

It is an amenable number.

421386590108 is a deficient number, since it is larger than the sum of its proper divisors (383104820692).

421386590108 is a wasteful number, since it uses less digits than its factorization.

421386590108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310757 (or 310755 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 421386590108 in words is "four hundred twenty-one billion, three hundred eighty-six million, five hundred ninety thousand, one hundred eight".