42288402 has 32 divisors (see below), whose sum is σ = 94026240. Its totient is φ = 12591360.

The previous prime is 42288383. The next prime is 42288419. The reversal of 42288402 is 20488224.

It is a self number, because there is not a number n which added to its sum of digits gives 42288402.

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, 6327 + ... + 11162.

It is an arithmetic number, because the mean of its divisors is an integer number (2938320).

Almost surely, 2^42288402 is an apocalyptic number.

42288402 is an abundant number, since it is smaller than the sum of its proper divisors (51737838).

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

42288402 is a wasteful number, since it uses less digits than its factorization.

42288402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17538.

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 42288402 is about 6502.9533290652. The cubic root of 42288402 is about 348.3964796784.

The spelling of 42288402 in words is "forty-two million, two hundred eighty-eight thousand, four hundred two".