42624426 has 16 divisors (see below), whose sum is σ = 91806624. Its totient is φ = 13115184.

The previous prime is 42624409. The next prime is 42624437. The reversal of 42624426 is 62442624.

It is a junction number, because it is equal to n+sod(n) for n = 42624393 and 42624402.

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, 273156 + ... + 273311.

It is an arithmetic number, because the mean of its divisors is an integer number (5737914).

Almost surely, 2^42624426 is an apocalyptic number.

42624426 is an abundant number, since it is smaller than the sum of its proper divisors (49182198).

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

42624426 is a wasteful number, since it uses less digits than its factorization.

42624426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546485.

The product of its digits is 18432, while the sum is 30.

The square root of 42624426 is about 6528.7384692604. The cubic root of 42624426 is about 349.3168333779.

The spelling of 42624426 in words is "forty-two million, six hundred twenty-four thousand, four hundred twenty-six".