40151135731 has 4 divisors (see below), whose sum is σ = 45887012272. Its totient is φ = 34415259192.

The previous prime is 40151135707. The next prime is 40151135777. The reversal of 40151135731 is 13753115104.

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

It is a cyclic number.

It is not a de Polignac number, because 40151135731 - 2⁷ = 40151135603 is a prime.

It is a super-2 number, since 2×40151135731² (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 = 40151135693 and 40151135702.

It is not an unprimeable number, because it can be changed into a prime (40151133731) 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, 2867938260 + ... + 2867938273.

It is an arithmetic number, because the mean of its divisors is an integer number (11471753068).

Almost surely, 2^40151135731 is an apocalyptic number.

40151135731 is a deficient number, since it is larger than the sum of its proper divisors (5735876541).

40151135731 is an equidigital number, since it uses as much as digits as its factorization.

40151135731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735876540.

The product of its (nonzero) digits is 6300, while the sum is 31.

The spelling of 40151135731 in words is "forty billion, one hundred fifty-one million, one hundred thirty-five thousand, seven hundred thirty-one".