1624678242 has 16 divisors (see below), whose sum is σ = 3544752672. Its totient is φ = 492326720.

The previous prime is 1624678229. The next prime is 1624678327. The reversal of 1624678242 is 2428764261.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1624678194 and 1624678203.

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, 12308103 + ... + 12308234.

It is an arithmetic number, because the mean of its divisors is an integer number (221547042).

Almost surely, 2^1624678242 is an apocalyptic number.

1624678242 is an abundant number, since it is smaller than the sum of its proper divisors (1920074430).

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

1624678242 is a wasteful number, since it uses less digits than its factorization.

1624678242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24616353.

The product of its digits is 258048, while the sum is 42.

The square root of 1624678242 is about 40307.2976271047. The cubic root of 1624678242 is about 1175.5897427644.

The spelling of 1624678242 in words is "one billion, six hundred twenty-four million, six hundred seventy-eight thousand, two hundred forty-two".