42899265 has 48 divisors (see below), whose sum is σ = 78174720. Its totient is φ = 21732480.

The previous prime is 42899237. The next prime is 42899281. The reversal of 42899265 is 56299824.

It is not a de Polignac number, because 42899265 - 2⁶ = 42899201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42899265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92424 + ... + 92886.

It is an arithmetic number, because the mean of its divisors is an integer number (1628640).

Almost surely, 2^42899265 is an apocalyptic number.

42899265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42899265 is a deficient number, since it is larger than the sum of its proper divisors (35275455).

42899265 is a wasteful number, since it uses less digits than its factorization.

42899265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 571 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 42899265 is about 6549.7530487798. The cubic root of 42899265 is about 350.0660147588.

The spelling of 42899265 in words is "forty-two million, eight hundred ninety-nine thousand, two hundred sixty-five".