42261504 has 44 divisors (see below), whose sum is σ = 112650504. Its totient is φ = 14086144.

The previous prime is 42261493. The next prime is 42261533. The reversal of 42261504 is 40516224.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 3807 + ... + 9950.

Almost surely, 2^42261504 is an apocalyptic number.

It is an amenable number.

42261504 is an abundant number, since it is smaller than the sum of its proper divisors (70389000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42261504 is a wasteful number, since it uses less digits than its factorization.

42261504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13780 (or 13762 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 42261504 is about 6500.8848628475. The cubic root of 42261504 is about 348.3225968827.

Adding to 42261504 its reverse (40516224), we get a palindrome (82777728).

The spelling of 42261504 in words is "forty-two million, two hundred sixty-one thousand, five hundred four".