40120606915 has 8 divisors (see below), whose sum is σ = 48804245568. Its totient is φ = 31656807360.

The previous prime is 40120606913. The next prime is 40120606921. The reversal of 40120606915 is 51960602104.

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

It is not a de Polignac number, because 40120606915 - 2¹ = 40120606913 is a prime.

It is a super-3 number, since 3×40120606915³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40120606913) 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, 54959371 + ... + 54960100.

It is an arithmetic number, because the mean of its divisors is an integer number (6100530696).

Almost surely, 2^40120606915 is an apocalyptic number.

40120606915 is a deficient number, since it is larger than the sum of its proper divisors (8683638653).

40120606915 is a wasteful number, since it uses less digits than its factorization.

40120606915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109919549.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 40120606915 in words is "forty billion, one hundred twenty million, six hundred six thousand, nine hundred fifteen".