42252426 has 24 divisors (see below), whose sum is σ = 95528160. Its totient is φ = 13471656.

The previous prime is 42252341. The next prime is 42252451. The reversal of 42252426 is 62425224.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42252426.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50616 + ... + 51443.

It is an arithmetic number, because the mean of its divisors is an integer number (3980340).

Almost surely, 2^42252426 is an apocalyptic number.

42252426 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42252426 is an abundant number, since it is smaller than the sum of its proper divisors (53275734).

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

42252426 is a wasteful number, since it uses less digits than its factorization.

42252426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102090 (or 102087 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 42252426 is about 6500.1866127058. The cubic root of 42252426 is about 348.2976545698.

The spelling of 42252426 in words is "forty-two million, two hundred fifty-two thousand, four hundred twenty-six".