40504253320 has 16 divisors (see below), whose sum is σ = 91134570060. Its totient is φ = 16201701312.

The previous prime is 40504253303. The next prime is 40504253323. The reversal of 40504253320 is 2335240504.

It can be written as a sum of positive squares in 2 ways, for example, as 40282898436 + 221354884 = 200706^2 + 14878^2 .

It is not an unprimeable number, because it can be changed into a prime (40504253323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506303127 + ... + 506303206.

Almost surely, 2^40504253320 is an apocalyptic number.

40504253320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40504253320 is an abundant number, since it is smaller than the sum of its proper divisors (50630316740).

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

40504253320 is a wasteful number, since it uses less digits than its factorization.

40504253320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012606344 (or 1012606340 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 40504253320 its reverse (2335240504), we get a palindrome (42839493824).

The spelling of 40504253320 in words is "forty billion, five hundred four million, two hundred fifty-three thousand, three hundred twenty".