40000402240004 has 24 divisors (see below), whose sum is σ = 70265944589400. Its totient is φ = 19924552085760.

The previous prime is 40000402239997. The next prime is 40000402240049. The reversal of 40000402240004 is 40004220400004.

It can be written as a sum of positive squares in 4 ways, for example, as 1015963202500 + 38984439037504 = 1007950^2 + 6243752^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15557249 + ... + 17945160.

It is an arithmetic number, because the mean of its divisors is an integer number (2927747691225).

Almost surely, 2^{40000402240004} is an apocalyptic number.

It is an amenable number.

40000402240004 is a deficient number, since it is larger than the sum of its proper divisors (30265542349396).

40000402240004 is a wasteful number, since it uses less digits than its factorization.

40000402240004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33503543 (or 33503541 counting only the distinct ones).

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

Adding to 40000402240004 its reverse (40004220400004), we get a palindrome (80004622640008).

The spelling of 40000402240004 in words is "forty trillion, four hundred two million, two hundred forty thousand, four".