40386445231 has 8 divisors (see below), whose sum is σ = 44137045584. Its totient is φ = 36649029120.

The previous prime is 40386445217. The next prime is 40386445271. The reversal of 40386445231 is 13254468304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40386445231 - 2¹¹ = 40386443183 is a prime.

It is a super-2 number, since 2×40386445231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40386445271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3289650 + ... + 3301903.

It is an arithmetic number, because the mean of its divisors is an integer number (5517130698).

Almost surely, 2^40386445231 is an apocalyptic number.

40386445231 is a deficient number, since it is larger than the sum of its proper divisors (3750600353).

40386445231 is a wasteful number, since it uses less digits than its factorization.

40386445231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6592121.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 40386445231 in words is "forty billion, three hundred eighty-six million, four hundred forty-five thousand, two hundred thirty-one".