40135731433 has 4 divisors (see below), whose sum is σ = 45869407360. Its totient is φ = 34402055508.

The previous prime is 40135731413. The next prime is 40135731481. The reversal of 40135731433 is 33413753104.

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.

It is a cyclic number.

It is not a de Polignac number, because 40135731433 - 2⁵ = 40135731401 is a prime.

It is a super-2 number, since 2×40135731433² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40135731413) 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, 2866837953 + ... + 2866837966.

It is an arithmetic number, because the mean of its divisors is an integer number (11467351840).

Almost surely, 2^40135731433 is an apocalyptic number.

It is an amenable number.

40135731433 is a deficient number, since it is larger than the sum of its proper divisors (5733675927).

40135731433 is an equidigital number, since it uses as much as digits as its factorization.

40135731433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5733675926.

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 40135731433 in words is "forty billion, one hundred thirty-five million, seven hundred thirty-one thousand, four hundred thirty-three".