421120614724 has 36 divisors (see below), whose sum is σ = 755312565420. Its totient is φ = 205441602240.

The previous prime is 421120614679. The next prime is 421120614731. The reversal of 421120614724 is 427416021124.

It can be written as a sum of positive squares in 2 ways, for example, as 350594252100 + 70526362624 = 592110^2 + 265568^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 421120614724.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6929382 + ... + 6989890.

It is an arithmetic number, because the mean of its divisors is an integer number (20980904595).

Almost surely, 2^421120614724 is an apocalyptic number.

It is an amenable number.

421120614724 is a deficient number, since it is larger than the sum of its proper divisors (334191950696).

421120614724 is a wasteful number, since it uses less digits than its factorization.

421120614724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61540 (or 61495 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 421120614724 its reverse (427416021124), we get a palindrome (848536635848).

The spelling of 421120614724 in words is "four hundred twenty-one billion, one hundred twenty million, six hundred fourteen thousand, seven hundred twenty-four".