421298743776 has 24 divisors (see below), whose sum is σ = 1105909202664. Its totient is φ = 140432914560.

The previous prime is 421298743769. The next prime is 421298743777. The reversal of 421298743776 is 677347892124.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421298743777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2194264195 + ... + 2194264386.

It is an arithmetic number, because the mean of its divisors is an integer number (46079550111).

Almost surely, 2^421298743776 is an apocalyptic number.

It is an amenable number.

421298743776 is an abundant number, since it is smaller than the sum of its proper divisors (684610458888).

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

421298743776 is a wasteful number, since it uses less digits than its factorization.

421298743776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388528594 (or 4388528586 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 60.

The spelling of 421298743776 in words is "four hundred twenty-one billion, two hundred ninety-eight million, seven hundred forty-three thousand, seven hundred seventy-six".