40040423120204 has 96 divisors (see below), whose sum is σ = 79862606014464. Its totient is φ = 17425997487360.

The previous prime is 40040423120161. The next prime is 40040423120233. The reversal of 40040423120204 is 40202132404004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45525494 + ... + 46396674.

It is an arithmetic number, because the mean of its divisors is an integer number (831902145984).

Almost surely, 2^{40040423120204} is an apocalyptic number.

It is an amenable number.

40040423120204 is a deficient number, since it is larger than the sum of its proper divisors (39822182894260).

40040423120204 is a wasteful number, since it uses less digits than its factorization.

40040423120204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871767 (or 871765 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 40040423120204 its reverse (40202132404004), we get a palindrome (80242555524208).

The spelling of 40040423120204 in words is "forty trillion, forty billion, four hundred twenty-three million, one hundred twenty thousand, two hundred four".