42592402 has 8 divisors (see below), whose sum is σ = 65615436. Its totient is φ = 20720592.

The previous prime is 42592393. The next prime is 42592411. The reversal of 42592402 is 20429524.

It is an interprime number because it is at equal distance from previous prime (42592393) and next prime (42592411).

It can be written as a sum of positive squares in 2 ways, for example, as 38675961 + 3916441 = 6219^2 + 1979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42592402² = 3628225416259208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287713 + ... + 287860.

Almost surely, 2^42592402 is an apocalyptic number.

42592402 is a deficient number, since it is larger than the sum of its proper divisors (23023034).

42592402 is a wasteful number, since it uses less digits than its factorization.

42592402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575612.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 42592402 is about 6526.2854672470. The cubic root of 42592402 is about 349.2293301472.

The spelling of 42592402 in words is "forty-two million, five hundred ninety-two thousand, four hundred two".