40642442662315 has 16 divisors (see below), whose sum is σ = 52523296183008. Its totient is φ = 30012449366016.

The previous prime is 40642442662313. The next prime is 40642442662319. The reversal of 40642442662315 is 51326624424604.

It is a happy number.

It is not a de Polignac number, because 40642442662315 - 2¹ = 40642442662313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40642442662313) 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, 99627 + ... + 9016363.

It is an arithmetic number, because the mean of its divisors is an integer number (3282706011438).

Almost surely, 2^{40642442662315} is an apocalyptic number.

40642442662315 is a deficient number, since it is larger than the sum of its proper divisors (11880853520693).

40642442662315 is a wasteful number, since it uses less digits than its factorization.

40642442662315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8986878.

The product of its (nonzero) digits is 6635520, while the sum is 49.

The spelling of 40642442662315 in words is "forty trillion, six hundred forty-two billion, four hundred forty-two million, six hundred sixty-two thousand, three hundred fifteen".