40425252415 has 4 divisors (see below), whose sum is σ = 48510302904. Its totient is φ = 32340201928.

The previous prime is 40425252389. The next prime is 40425252449. The reversal of 40425252415 is 51425252404.

40425252415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40425252415 - 2²⁹ = 39888381503 is a prime.

It is a Duffinian number.

It is a congruent 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, 4042525237 + ... + 4042525246.

It is an arithmetic number, because the mean of its divisors is an integer number (12127575726).

Almost surely, 2^40425252415 is an apocalyptic number.

40425252415 is a deficient number, since it is larger than the sum of its proper divisors (8085050489).

40425252415 is an equidigital number, since it uses as much as digits as its factorization.

40425252415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8085050488.

The product of its (nonzero) digits is 64000, while the sum is 34.

The spelling of 40425252415 in words is "forty billion, four hundred twenty-five million, two hundred fifty-two thousand, four hundred fifteen".