21883400604 has 72 divisors (see below), whose sum is σ = 59693433072. Its totient is φ = 6719569920.

The previous prime is 21883400597. The next prime is 21883400611. The reversal of 21883400604 is 40600438812.

21883400604 is a `hidden beast` number, since 2 + 1 + 8 + 8 + 3 + 40 + 0 + 604 = 666.

It is an interprime number because it is at equal distance from previous prime (21883400597) and next prime (21883400611).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182172 + ... + 277404.

Almost surely, 2^21883400604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21883400604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29846716536).

21883400604 is an abundant number, since it is smaller than the sum of its proper divisors (37810032468).

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

21883400604 is a wasteful number, since it uses less digits than its factorization.

21883400604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95747 (or 95742 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 21883400604 in words is "twenty-one billion, eight hundred eighty-three million, four hundred thousand, six hundred four".