421013223120140 has 96 divisors (see below), whose sum is σ = 1012144963737600. Its totient is φ = 144102723621120.

The previous prime is 421013223120097. The next prime is 421013223120179. The reversal of 421013223120140 is 41021322310124.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510316091 + ... + 511140429.

It is an arithmetic number, because the mean of its divisors is an integer number (10543176705600).

Almost surely, 2^{421013223120140} is an apocalyptic number.

It is an amenable number.

421013223120140 is an abundant number, since it is smaller than the sum of its proper divisors (591131740617460).

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

421013223120140 is a wasteful number, since it uses less digits than its factorization.

421013223120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830535 (or 830533 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 421013223120140 its reverse (41021322310124), we get a palindrome (462034545430264).

The spelling of 421013223120140 in words is "four hundred twenty-one trillion, thirteen billion, two hundred twenty-three million, one hundred twenty thousand, one hundred forty".