42456365 has 16 divisors (see below), whose sum is σ = 58512000. Its totient is φ = 28969920.

The previous prime is 42456347. The next prime is 42456383. The reversal of 42456365 is 56365424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42456347) and next prime (42456383).

It is not a de Polignac number, because 42456365 - 2⁸ = 42456109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4511 + ... + 10259.

It is an arithmetic number, because the mean of its divisors is an integer number (3657000).

Almost surely, 2^42456365 is an apocalyptic number.

It is an amenable number.

42456365 is a deficient number, since it is larger than the sum of its proper divisors (16055635).

42456365 is a wasteful number, since it uses less digits than its factorization.

42456365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5972.

The product of its digits is 86400, while the sum is 35.

The square root of 42456365 is about 6515.8548940258. The cubic root of 42456365 is about 348.8571293381.

The spelling of 42456365 in words is "forty-two million, four hundred fifty-six thousand, three hundred sixty-five".