1421624452 has 12 divisors (see below), whose sum is σ = 2494409680. Its totient is φ = 708935976.

The previous prime is 1421624429. The next prime is 1421624461. The reversal of 1421624452 is 2544261241.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467358 + ... + 470389.

Almost surely, 2^1421624452 is an apocalyptic number.

It is an amenable number.

1421624452 is a deficient number, since it is larger than the sum of its proper divisors (1072785228).

1421624452 is a wasteful number, since it uses less digits than its factorization.

1421624452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938130 (or 938128 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 1421624452 is about 37704.4354420007. The cubic root of 1421624452 is about 1124.4193090737.

Adding to 1421624452 its reverse (2544261241), we get a palindrome (3965885693).

The spelling of 1421624452 in words is "one billion, four hundred twenty-one million, six hundred twenty-four thousand, four hundred fifty-two".