404662221630 has 64 divisors (see below), whose sum is σ = 1083081369600. Its totient is φ = 107511714720.

The previous prime is 404662221589. The next prime is 404662221647. The reversal of 404662221630 is 36122266404.

404662221630 is a `hidden beast` number, since 4 + 0 + 4 + 6 + 622 + 21 + 6 + 3 + 0 = 666.

It is a super-2 number, since 2×404662221630² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2692050 + ... + 2838389.

It is an arithmetic number, because the mean of its divisors is an integer number (16923146400).

Almost surely, 2^404662221630 is an apocalyptic number.

404662221630 is an abundant number, since it is smaller than the sum of its proper divisors (678419147970).

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

404662221630 is a wasteful number, since it uses less digits than its factorization.

404662221630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530726 (or 5530720 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 404662221630 in words is "four hundred four billion, six hundred sixty-two million, two hundred twenty-one thousand, six hundred thirty".