42504254 has 32 divisors (see below), whose sum is σ = 72912000. Its totient is φ = 18421344.

The previous prime is 42504247. The next prime is 42504271. The reversal of 42504254 is 45240524.

It is a super-2 number, since 2×42504254² = 3613223216193032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 68357 + ... + 68975.

It is an arithmetic number, because the mean of its divisors is an integer number (2278500).

Almost surely, 2^42504254 is an apocalyptic number.

42504254 is a deficient number, since it is larger than the sum of its proper divisors (30407746).

42504254 is a wasteful number, since it uses less digits than its factorization.

42504254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 42504254 is about 6519.5286639450. The cubic root of 42504254 is about 348.9882454587.

Adding to 42504254 its reverse (45240524), we get a palindrome (87744778).

The spelling of 42504254 in words is "forty-two million, five hundred four thousand, two hundred fifty-four".