42252046 has 4 divisors (see below), whose sum is σ = 63378072. Its totient is φ = 21126022.

The previous prime is 42252019. The next prime is 42252047. The reversal of 42252046 is 64025224.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×42252046² = 3570470782372232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42252046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42252047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10563010 + ... + 10563013.

It is an arithmetic number, because the mean of its divisors is an integer number (15844518).

Almost surely, 2^42252046 is an apocalyptic number.

42252046 is a deficient number, since it is larger than the sum of its proper divisors (21126026).

42252046 is a wasteful number, since it uses less digits than its factorization.

42252046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21126025.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 42252046 is about 6500.1573827101. The cubic root of 42252046 is about 348.2966104206.

The spelling of 42252046 in words is "forty-two million, two hundred fifty-two thousand, forty-six".