42880431 has 16 divisors (see below), whose sum is σ = 62610048. Its totient is φ = 25888800.

The previous prime is 42880393. The next prime is 42880457. The reversal of 42880431 is 13408824.

It is not a de Polignac number, because 42880431 - 2¹⁵ = 42847663 is a prime.

It is a super-2 number, since 2×42880431² = 3677462725491522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42880031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6796 + ... + 11486.

It is an arithmetic number, because the mean of its divisors is an integer number (3913128).

Almost surely, 2^42880431 is an apocalyptic number.

42880431 is a deficient number, since it is larger than the sum of its proper divisors (19729617).

42880431 is a wasteful number, since it uses less digits than its factorization.

42880431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 42880431 is about 6548.3151268093. The cubic root of 42880431 is about 350.0147776073.

The spelling of 42880431 in words is "forty-two million, eight hundred eighty thousand, four hundred thirty-one".