42253998 has 16 divisors (see below), whose sum is σ = 84596736. Its totient is φ = 14069880.

The previous prime is 42253973. The next prime is 42254041. The reversal of 42253998 is 89935224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3603 + ... + 9873.

It is an arithmetic number, because the mean of its divisors is an integer number (5287296).

Almost surely, 2^42253998 is an apocalyptic number.

42253998 is an abundant number, since it is smaller than the sum of its proper divisors (42342738).

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

42253998 is a wasteful number, since it uses less digits than its factorization.

42253998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7399.

The product of its digits is 155520, while the sum is 42.

The square root of 42253998 is about 6500.3075311865. The cubic root of 42253998 is about 348.3019739835.

The spelling of 42253998 in words is "forty-two million, two hundred fifty-three thousand, nine hundred ninety-eight".