42248464 has 20 divisors (see below), whose sum is σ = 81964620. Its totient is φ = 21096320.

The previous prime is 42248449. The next prime is 42248483. The reversal of 42248464 is 46484224.

It can be written as a sum of positive squares in 2 ways, for example, as 258064 + 41990400 = 508^2 + 6480^2 .

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, 16554 + ... + 18934.

It is an arithmetic number, because the mean of its divisors is an integer number (4098231).

Almost surely, 2^42248464 is an apocalyptic number.

It is an amenable number.

42248464 is a deficient number, since it is larger than the sum of its proper divisors (39716156).

42248464 is a wasteful number, since it uses less digits than its factorization.

42248464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498 (or 3492 counting only the distinct ones).

The product of its digits is 49152, while the sum is 34.

The square root of 42248464 is about 6499.8818450800. The cubic root of 42248464 is about 348.2867676333.

The spelling of 42248464 in words is "forty-two million, two hundred forty-eight thousand, four hundred sixty-four".