404293494696408 has 64 divisors (see below), whose sum is σ = 1159264500940800. Its totient is φ = 130417256351520.

The previous prime is 404293494696389. The next prime is 404293494696431. The reversal of 404293494696408 is 804696494392404.

404293494696408 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 9 + 3 + 494 + 6 + 96 + 40 + 8 = 666.

It is a super-4 number, since 4×404293494696408⁴ (a number of 60 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30189173016 + ... + 30189186407.

It is an arithmetic number, because the mean of its divisors is an integer number (18113507827200).

Almost surely, 2^{404293494696408} is an apocalyptic number.

It is an amenable number.

404293494696408 is an abundant number, since it is smaller than the sum of its proper divisors (754971006244392).

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

404293494696408 is a wasteful number, since it uses less digits than its factorization.

404293494696408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60378359469 (or 60378359459 counting only the distinct ones).

The product of its (nonzero) digits is 1289945088, while the sum is 72.

The spelling of 404293494696408 in words is "four hundred four trillion, two hundred ninety-three billion, four hundred ninety-four million, six hundred ninety-six thousand, four hundred eight".