40423432404 has 48 divisors (see below), whose sum is σ = 96677130816. Its totient is φ = 13141920000.

The previous prime is 40423432391. The next prime is 40423432409.

40423432404 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423432409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167697 + ... + 330104.

It is an arithmetic number, because the mean of its divisors is an integer number (2014106892).

Almost surely, 2^40423432404 is an apocalyptic number.

It is an amenable number.

40423432404 is an abundant number, since it is smaller than the sum of its proper divisors (56253698412).

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

40423432404 is a wasteful number, since it uses less digits than its factorization.

40423432404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497976 (or 497974 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

The spelling of 40423432404 in words is "forty billion, four hundred twenty-three million, four hundred thirty-two thousand, four hundred four".