421923672900 has 144 divisors (see below), whose sum is σ = 1427796462400. Its totient is φ = 106591230720.

The previous prime is 421923672899. The next prime is 421923672923. The reversal of 421923672900 is 9276329124.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 4061017 + ... + 4163616.

Almost surely, 2^421923672900 is an apocalyptic number.

It is an amenable number.

421923672900 is an abundant number, since it is smaller than the sum of its proper divisors (1005872789500).

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

421923672900 is a wasteful number, since it uses less digits than its factorization.

421923672900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8224675 (or 8224662 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 421923672900 in words is "four hundred twenty-one billion, nine hundred twenty-three million, six hundred seventy-two thousand, nine hundred".