40135954404 has 96 divisors (see below), whose sum is σ = 115300433920. Its totient is φ = 10581798528.

The previous prime is 40135954403. The next prime is 40135954421. The reversal of 40135954404 is 40445953104.

It is a super-2 number, since 2×40135954404² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (40135954403) 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, 6005937 + ... + 6012615.

Almost surely, 2^40135954404 is an apocalyptic number.

It is an amenable number.

40135954404 is an abundant number, since it is smaller than the sum of its proper divisors (75164479516).

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

40135954404 is a wasteful number, since it uses less digits than its factorization.

40135954404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12209 (or 12207 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 40135954404 in words is "forty billion, one hundred thirty-five million, nine hundred fifty-four thousand, four hundred four".