1624426144 has 48 divisors (see below), whose sum is σ = 3492084960. Its totient is φ = 737685760.

The previous prime is 1624426123. The next prime is 1624426217. The reversal of 1624426144 is 4416244261.

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, 693327 + ... + 695665.

It is an arithmetic number, because the mean of its divisors is an integer number (72751770).

Almost surely, 2^1624426144 is an apocalyptic number.

It is an amenable number.

1624426144 is an abundant number, since it is smaller than the sum of its proper divisors (1867658816).

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

1624426144 is a wasteful number, since it uses less digits than its factorization.

1624426144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333 (or 4325 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 1624426144 is about 40304.1703053170. The cubic root of 1624426144 is about 1175.5289350004.

The spelling of 1624426144 in words is "one billion, six hundred twenty-four million, four hundred twenty-six thousand, one hundred forty-four".