40043634004 has 72 divisors (see below), whose sum is σ = 77590880640. Its totient is φ = 18068804160.

The previous prime is 40043633969. The next prime is 40043634047.

40043634004 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 (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55080289 + ... + 55081015.

It is an arithmetic number, because the mean of its divisors is an integer number (1077651120).

Almost surely, 2^40043634004 is an apocalyptic number.

40043634004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40043634004 is a deficient number, since it is larger than the sum of its proper divisors (37547246636).

40043634004 is a wasteful number, since it uses less digits than its factorization.

40043634004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The spelling of 40043634004 in words is "forty billion, forty-three million, six hundred thirty-four thousand, four".