1421955472 has 40 divisors (see below), whose sum is σ = 3195626816. Its totient is φ = 600310656.

The previous prime is 1421955443. The next prime is 1421955499. The reversal of 1421955472 is 2745591241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87243 + ... + 102250.

Almost surely, 2^1421955472 is an apocalyptic number.

It is an amenable number.

1421955472 is an abundant number, since it is smaller than the sum of its proper divisors (1773671344).

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

1421955472 is a wasteful number, since it uses less digits than its factorization.

1421955472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189575 (or 189569 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 1421955472 is about 37708.8248557284. The cubic root of 1421955472 is about 1124.5065745945.

The spelling of 1421955472 in words is "one billion, four hundred twenty-one million, nine hundred fifty-five thousand, four hundred seventy-two".