3940012515 has 8 divisors (see below), whose sum is σ = 6304020048. Its totient is φ = 2101340000.

The previous prime is 3940012481. The next prime is 3940012523. The reversal of 3940012515 is 5152100493.

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

It is not a de Polignac number, because 3940012515 - 2⁹ = 3940012003 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131333736 + ... + 131333765.

It is an arithmetic number, because the mean of its divisors is an integer number (788002506).

Almost surely, 2^3940012515 is an apocalyptic number.

3940012515 is a deficient number, since it is larger than the sum of its proper divisors (2364007533).

3940012515 is a wasteful number, since it uses less digits than its factorization.

3940012515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262667509.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 3940012515 is about 62769.5189960860. The cubic root of 3940012515 is about 1579.4256999199.

It can be divided in two parts, 39400 and 12515, that added together give a palindrome (51915).

The spelling of 3940012515 in words is "three billion, nine hundred forty million, twelve thousand, five hundred fifteen".