421268133748 has 72 divisors (see below), whose sum is σ = 935718073920. Its totient is φ = 164099819520.

The previous prime is 421268133683. The next prime is 421268133757. The reversal of 421268133748 is 847331862124.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

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, 14061561 + ... + 14091487.

It is an arithmetic number, because the mean of its divisors is an integer number (12996084360).

Almost surely, 2^421268133748 is an apocalyptic number.

It is an amenable number.

421268133748 is an abundant number, since it is smaller than the sum of its proper divisors (514449940172).

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

421268133748 is a wasteful number, since it uses less digits than its factorization.

421268133748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36485 (or 36476 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The spelling of 421268133748 in words is "four hundred twenty-one billion, two hundred sixty-eight million, one hundred thirty-three thousand, seven hundred forty-eight".