42355542 has 32 divisors (see below), whose sum is σ = 87381504. Its totient is φ = 13678400.

The previous prime is 42355513. The next prime is 42355543. The reversal of 42355542 is 24555324.

It is a super-2 number, since 2×42355542² = 3587983876227528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42355543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40567 + ... + 41597.

It is an arithmetic number, because the mean of its divisors is an integer number (2730672).

Almost surely, 2^42355542 is an apocalyptic number.

42355542 is an abundant number, since it is smaller than the sum of its proper divisors (45025962).

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

42355542 is a wasteful number, since it uses less digits than its factorization.

42355542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244.

The product of its digits is 24000, while the sum is 30.

The square root of 42355542 is about 6508.1135515601. The cubic root of 42355542 is about 348.5807616581.

The spelling of 42355542 in words is "forty-two million, three hundred fifty-five thousand, five hundred forty-two".