40024042004 has 96 divisors (see below), whose sum is σ = 76353490080. Its totient is φ = 18289262592.

The previous prime is 40024042001. The next prime is 40024042039.

40024042004 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 16 ways, for example, as 6753552400 + 33270489604 = 82180^2 + 182402^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024042001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155735444 + ... + 155735700.

It is an arithmetic number, because the mean of its divisors is an integer number (795348855).

Almost surely, 2^40024042004 is an apocalyptic number.

It is an amenable number.

40024042004 is a deficient number, since it is larger than the sum of its proper divisors (36329448076).

40024042004 is a wasteful number, since it uses less digits than its factorization.

40024042004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

It can be divided in two parts, 400240 and 42004, that added together give a palindrome (442244).

The spelling of 40024042004 in words is "forty billion, twenty-four million, forty-two thousand, four".