40400070404 has 48 divisors (see below), whose sum is σ = 74947118400. Its totient is φ = 19026134400.

The previous prime is 40400070401. The next prime is 40400070409. The reversal of 40400070404 is 40407000404.

It is a self number, because there is not a number n which added to its sum of digits gives 40400070404.

It is not an unprimeable number, because it can be changed into a prime (40400070401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874034 + ... + 919094.

It is an arithmetic number, because the mean of its divisors is an integer number (1561398300).

Almost surely, 2^40400070404 is an apocalyptic number.

It is an amenable number.

40400070404 is a deficient number, since it is larger than the sum of its proper divisors (34547047996).

40400070404 is a wasteful number, since it uses less digits than its factorization.

40400070404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45284 (or 45282 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

Adding to 40400070404 its reverse (40407000404), we get a palindrome (80807070808).

The spelling of 40400070404 in words is "forty billion, four hundred million, seventy thousand, four hundred four".