421443757132 has 12 divisors (see below), whose sum is σ = 737532628000. Its totient is φ = 210720149136.

The previous prime is 421443757069. The next prime is 421443757151. The reversal of 421443757132 is 231757344124.

It is a super-2 number, since 2×421443757132² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 228013 + ... + 945979.

Almost surely, 2^421443757132 is an apocalyptic number.

It is an amenable number.

421443757132 is a deficient number, since it is larger than the sum of its proper divisors (316088870868).

421443757132 is a wasteful number, since it uses less digits than its factorization.

421443757132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864720 (or 864718 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The spelling of 421443757132 in words is "four hundred twenty-one billion, four hundred forty-three million, seven hundred fifty-seven thousand, one hundred thirty-two".