40072150715 has 4 divisors (see below), whose sum is σ = 48086580864. Its totient is φ = 32057720568.

The previous prime is 40072150709. The next prime is 40072150733. The reversal of 40072150715 is 51705127004.

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 40072150715 - 2²⁴ = 40055373499 is a prime.

It is a super-2 number, since 2×40072150715² (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, 4007215067 + ... + 4007215076.

It is an arithmetic number, because the mean of its divisors is an integer number (12021645216).

Almost surely, 2^40072150715 is an apocalyptic number.

40072150715 is a deficient number, since it is larger than the sum of its proper divisors (8014430149).

40072150715 is an equidigital number, since it uses as much as digits as its factorization.

40072150715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014430148.

The product of its (nonzero) digits is 9800, while the sum is 32.

Adding to 40072150715 its reverse (51705127004), we get a palindrome (91777277719).

The spelling of 40072150715 in words is "forty billion, seventy-two million, one hundred fifty thousand, seven hundred fifteen".