40402420404 has 48 divisors (see below), whose sum is σ = 97388207616. Its totient is φ = 13023014400.

The previous prime is 40402420393. The next prime is 40402420411.

40402420404 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450304 + ... + 532520.

It is an arithmetic number, because the mean of its divisors is an integer number (2028920992).

Almost surely, 2^40402420404 is an apocalyptic number.

It is an amenable number.

40402420404 is an abundant number, since it is smaller than the sum of its proper divisors (56985787212).

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

40402420404 is a wasteful number, since it uses less digits than its factorization.

40402420404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83576 (or 83574 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The spelling of 40402420404 in words is "forty billion, four hundred two million, four hundred twenty thousand, four hundred four".