40236320344 has 16 divisors (see below), whose sum is σ = 82301564520. Its totient is φ = 18289236480.

The previous prime is 40236320317. The next prime is 40236320407. The reversal of 40236320344 is 44302363204.

It is a super-2 number, since 2×40236320344² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228615369 + ... + 228615544.

Almost surely, 2^40236320344 is an apocalyptic number.

40236320344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40236320344 is an abundant number, since it is smaller than the sum of its proper divisors (42065244176).

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

40236320344 is a wasteful number, since it uses less digits than its factorization.

40236320344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457230930 (or 457230926 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 40236320344 its reverse (44302363204), we get a palindrome (84538683548).

The spelling of 40236320344 in words is "forty billion, two hundred thirty-six million, three hundred twenty thousand, three hundred forty-four".