40013214520 has 32 divisors (see below), whose sum is σ = 91041310800. Its totient is φ = 15825449728.

The previous prime is 40013214497. The next prime is 40013214581. The reversal of 40013214520 is 2541231004.

It is a junction number, because it is equal to n+sod(n) for n = 40013214491 and 40013214500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5616274 + ... + 5623393.

Almost surely, 2^40013214520 is an apocalyptic number.

40013214520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40013214520 is an abundant number, since it is smaller than the sum of its proper divisors (51028096280).

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

40013214520 is a wasteful number, since it uses less digits than its factorization.

40013214520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11239767 (or 11239763 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 40013214520 its reverse (2541231004), we get a palindrome (42554445524).

The spelling of 40013214520 in words is "forty billion, thirteen million, two hundred fourteen thousand, five hundred twenty".