40232632513 has 4 divisors (see below), whose sum is σ = 40233101248. Its totient is φ = 40232163780.

The previous prime is 40232632511. The next prime is 40232632529. The reversal of 40232632513 is 31523623204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40232632513 - 2¹ = 40232632511 is a prime.

It is a super-2 number, since 2×40232632513² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40232632511) 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, 64653 + ... + 290938.

It is an arithmetic number, because the mean of its divisors is an integer number (10058275312).

Almost surely, 2^40232632513 is an apocalyptic number.

It is an amenable number.

40232632513 is a deficient number, since it is larger than the sum of its proper divisors (468735).

40232632513 is a wasteful number, since it uses less digits than its factorization.

40232632513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468734.

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 40232632513 in words is "forty billion, two hundred thirty-two million, six hundred thirty-two thousand, five hundred thirteen".