40400400044204 has 24 divisors (see below), whose sum is σ = 71603904709008. Its totient is φ = 19943532707840.

The previous prime is 40400400044201. The next prime is 40400400044293. The reversal of 40400400044204 is 40244000400404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40400400044201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173777642 + ... + 174009969.

It is an arithmetic number, because the mean of its divisors is an integer number (2983496029542).

Almost surely, 2^{40400400044204} is an apocalyptic number.

It is an amenable number.

40400400044204 is a deficient number, since it is larger than the sum of its proper divisors (31203504664804).

40400400044204 is a wasteful number, since it uses less digits than its factorization.

40400400044204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347787985 (or 347787983 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40400400044204 its reverse (40244000400404), we get a palindrome (80644400444608).

The spelling of 40400400044204 in words is "forty trillion, four hundred billion, four hundred million, forty-four thousand, two hundred four".