40132402031 has 4 divisors (see below), whose sum is σ = 40640407200. Its totient is φ = 39624396864.

The previous prime is 40132401937. The next prime is 40132402039. The reversal of 40132402031 is 13020423104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40132402031 is a prime.

It is a super-2 number, since 2×40132402031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40132401994 and 40132402012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40132402039) 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, 254002466 + ... + 254002623.

It is an arithmetic number, because the mean of its divisors is an integer number (10160101800).

Almost surely, 2^40132402031 is an apocalyptic number.

40132402031 is a deficient number, since it is larger than the sum of its proper divisors (508005169).

40132402031 is an equidigital number, since it uses as much as digits as its factorization.

40132402031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508005168.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40132402031 its reverse (13020423104), we get a palindrome (53152825135).

The spelling of 40132402031 in words is "forty billion, one hundred thirty-two million, four hundred two thousand, thirty-one".