42888426 has 24 divisors (see below), whose sum is σ = 99781920. Its totient is φ = 12253752.

The previous prime is 42888409. The next prime is 42888431. The reversal of 42888426 is 62488824.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a plaindrome in base 11.

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, 72646 + ... + 73233.

It is an arithmetic number, because the mean of its divisors is an integer number (4157580).

Almost surely, 2^42888426 is an apocalyptic number.

42888426 is an abundant number, since it is smaller than the sum of its proper divisors (56893494).

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

42888426 is a wasteful number, since it uses less digits than its factorization.

42888426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145898 (or 145891 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 42888426 is about 6548.9255607313. The cubic root of 42888426 is about 350.0365295206.

The spelling of 42888426 in words is "forty-two million, eight hundred eighty-eight thousand, four hundred twenty-six".