421456654124 has 72 divisors (see below), whose sum is σ = 821515591680. Its totient is φ = 189017468640.

The previous prime is 421456654093. The next prime is 421456654169.

421456654124 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×421456654124² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76583957 + ... + 76589459.

Almost surely, 2^421456654124 is an apocalyptic number.

421456654124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421456654124 is a deficient number, since it is larger than the sum of its proper divisors (400058937556).

421456654124 is a wasteful number, since it uses less digits than its factorization.

421456654124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611 (or 7598 counting only the distinct ones).

The product of its digits is 921600, while the sum is 44.

The spelling of 421456654124 in words is "four hundred twenty-one billion, four hundred fifty-six million, six hundred fifty-four thousand, one hundred twenty-four".