40534431204 has 24 divisors (see below), whose sum is σ = 99558252640. Its totient is φ = 12800346624.

The previous prime is 40534431181. The next prime is 40534431227. The reversal of 40534431204 is 40213443504.

It is an interprime number because it is at equal distance from previous prime (40534431181) and next prime (40534431227).

It is a super-2 number, since 2×40534431204² (a number of 22 digits) contains 22 as substring.

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, 88891069 + ... + 88891524.

Almost surely, 2^40534431204 is an apocalyptic number.

It is an amenable number.

40534431204 is an abundant number, since it is smaller than the sum of its proper divisors (59023821436).

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

40534431204 is a wasteful number, since it uses less digits than its factorization.

40534431204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177782619 (or 177782617 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 40534431204 its reverse (40213443504), we get a palindrome (80747874708).

The spelling of 40534431204 in words is "forty billion, five hundred thirty-four million, four hundred thirty-one thousand, two hundred four".