40044012534 has 12 divisors (see below), whose sum is σ = 86762027196. Its totient is φ = 13348004172.

The previous prime is 40044012521. The next prime is 40044012557. The reversal of 40044012534 is 43521044004.

It is a happy number.

40044012534 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 401 + 253 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 40044012498 and 40044012507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1112333664 + ... + 1112333699.

It is an arithmetic number, because the mean of its divisors is an integer number (7230168933).

Almost surely, 2^40044012534 is an apocalyptic number.

40044012534 is an abundant number, since it is smaller than the sum of its proper divisors (46718014662).

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

40044012534 is a wasteful number, since it uses less digits than its factorization.

40044012534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224667371 (or 2224667368 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 40044012534 its reverse (43521044004), we get a palindrome (83565056538).

The spelling of 40044012534 in words is "forty billion, forty-four million, twelve thousand, five hundred thirty-four".