402194460654 has 48 divisors (see below), whose sum is σ = 1012236507360. Its totient is φ = 113028886080.

The previous prime is 402194460643. The next prime is 402194460719. The reversal of 402194460654 is 456064491204.

402194460654 is a `hidden beast` number, since 40 + 2 + 1 + 94 + 460 + 65 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26156409 + ... + 26171780.

It is an arithmetic number, because the mean of its divisors is an integer number (21088260570).

Almost surely, 2^402194460654 is an apocalyptic number.

402194460654 is an abundant number, since it is smaller than the sum of its proper divisors (610042046706).

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

402194460654 is a wasteful number, since it uses less digits than its factorization.

402194460654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52328265 (or 52328262 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 402194460654 in words is "four hundred two billion, one hundred ninety-four million, four hundred sixty thousand, six hundred fifty-four".