40400004888 has 48 divisors (see below), whose sum is σ = 112373894880. Its totient is φ = 13102703424.

The previous prime is 40400004881. The next prime is 40400004889. The reversal of 40400004888 is 88840000404.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400004881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7579920 + ... + 7585247.

It is an arithmetic number, because the mean of its divisors is an integer number (2341122810).

Almost surely, 2^40400004888 is an apocalyptic number.

It is an amenable number.

40400004888 is an abundant number, since it is smaller than the sum of its proper divisors (71973889992).

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

40400004888 is a wasteful number, since it uses less digits than its factorization.

40400004888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15165216 (or 15165209 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The spelling of 40400004888 in words is "forty billion, four hundred million, four thousand, eight hundred eighty-eight".