40005450004 has 24 divisors (see below), whose sum is σ = 77994713160. Its totient is φ = 17827361664.

The previous prime is 40005449977. The next prime is 40005450011.

40005450004 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 6277392900 + 33728057104 = 79230^2 + 183652^2 .

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 7 ways as a sum of consecutive naturals, for example, 13262899 + ... + 13265914.

It is an arithmetic number, because the mean of its divisors is an integer number (3249779715).

Almost surely, 2^40005450004 is an apocalyptic number.

It is an amenable number.

40005450004 is a deficient number, since it is larger than the sum of its proper divisors (37989263156).

40005450004 is a wasteful number, since it uses less digits than its factorization.

40005450004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26528859 (or 26528857 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The spelling of 40005450004 in words is "forty billion, five million, four hundred fifty thousand, four".