40040451204 has 48 divisors (see below), whose sum is σ = 100669090368. Its totient is φ = 12313450368.

The previous prime is 40040451151. The next prime is 40040451263. The reversal of 40040451204 is 40215404004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222514 + ... + 359990.

It is an arithmetic number, because the mean of its divisors is an integer number (2097272716).

Almost surely, 2^40040451204 is an apocalyptic number.

It is an amenable number.

40040451204 is an abundant number, since it is smaller than the sum of its proper divisors (60628639164).

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

40040451204 is a wasteful number, since it uses less digits than its factorization.

40040451204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139364 (or 139362 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 40040451204 its reverse (40215404004), we get a palindrome (80255855208).

The spelling of 40040451204 in words is "forty billion, forty million, four hundred fifty-one thousand, two hundred four".