214420726644 has 24 divisors (see below), whose sum is σ = 507168661440. Its totient is φ = 70494485184.

The previous prime is 214420726633. The next prime is 214420726769. The reversal of 214420726644 is 446627024412.

It is a junction number, because it is equal to n+sod(n) for n = 214420726596 and 214420726605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122385384 + ... + 122387135.

It is an arithmetic number, because the mean of its divisors is an integer number (21132027560).

Almost surely, 2^214420726644 is an apocalyptic number.

It is an amenable number.

214420726644 is an abundant number, since it is smaller than the sum of its proper divisors (292747934796).

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

214420726644 is a wasteful number, since it uses less digits than its factorization.

214420726644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244772599 (or 244772597 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 42.

The spelling of 214420726644 in words is "two hundred fourteen billion, four hundred twenty million, seven hundred twenty-six thousand, six hundred forty-four".