40130715 has 16 divisors (see below), whose sum is σ = 65576448. Its totient is φ = 20947296.

The previous prime is 40130663. The next prime is 40130719. The reversal of 40130715 is 51703104.

It is not a de Polignac number, because 40130715 - 2¹⁴ = 40114331 is a prime.

It is a super-2 number, since 2×40130715² = 3220948572822450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40130691 and 40130700.

It is not an unprimeable number, because it can be changed into a prime (40130719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27757 + ... + 29166.

It is an arithmetic number, because the mean of its divisors is an integer number (4098528).

Almost surely, 2^40130715 is an apocalyptic number.

40130715 is a deficient number, since it is larger than the sum of its proper divisors (25445733).

40130715 is a wasteful number, since it uses less digits than its factorization.

40130715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56978.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 40130715 is about 6334.8808197156. The cubic root of 40130715 is about 342.3673167837.

Adding to 40130715 its reverse (51703104), we get a palindrome (91833819).

The spelling of 40130715 in words is "forty million, one hundred thirty thousand, seven hundred fifteen".