40464135715 has 4 divisors (see below), whose sum is σ = 48556962864. Its totient is φ = 32371308568.

The previous prime is 40464135697. The next prime is 40464135721. The reversal of 40464135715 is 51753146404.

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 40464135715 - 2¹³ = 40464127523 is a prime.

It is a super-2 number, since 2×40464135715² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4046413567 + ... + 4046413576.

It is an arithmetic number, because the mean of its divisors is an integer number (12139240716).

Almost surely, 2^40464135715 is an apocalyptic number.

40464135715 is a deficient number, since it is larger than the sum of its proper divisors (8092827149).

40464135715 is an equidigital number, since it uses as much as digits as its factorization.

40464135715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8092827148.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 40464135715 in words is "forty billion, four hundred sixty-four million, one hundred thirty-five thousand, seven hundred fifteen".