42252615457 has 4 divisors (see below), whose sum is σ = 45502816660. Its totient is φ = 39002414256.

The previous prime is 42252615437. The next prime is 42252615467. The reversal of 42252615457 is 75451625224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6424182801 + 35828432656 = 80151^2 + 189284^2 .

It is not a de Polignac number, because 42252615457 - 2⁷ = 42252615329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42252615437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625100582 + ... + 1625100607.

It is an arithmetic number, because the mean of its divisors is an integer number (11375704165).

Almost surely, 2^42252615457 is an apocalyptic number.

It is an amenable number.

42252615457 is a deficient number, since it is larger than the sum of its proper divisors (3250201203).

42252615457 is a wasteful number, since it uses less digits than its factorization.

42252615457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250201202.

The product of its digits is 672000, while the sum is 43.

The spelling of 42252615457 in words is "forty-two billion, two hundred fifty-two million, six hundred fifteen thousand, four hundred fifty-seven".