21412022376 has 32 divisors (see below), whose sum is σ = 56678883840. Its totient is φ = 6717497088.

The previous prime is 21412022351. The next prime is 21412022383. The reversal of 21412022376 is 67322021412.

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, 26239816 + ... + 26240631.

It is an arithmetic number, because the mean of its divisors is an integer number (1771215120).

Almost surely, 2^21412022376 is an apocalyptic number.

It is an amenable number.

21412022376 is an abundant number, since it is smaller than the sum of its proper divisors (35266861464).

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

21412022376 is a wasteful number, since it uses less digits than its factorization.

21412022376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52480473 (or 52480469 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 21412022376 its reverse (67322021412), we get a palindrome (88734043788).

The spelling of 21412022376 in words is "twenty-one billion, four hundred twelve million, twenty-two thousand, three hundred seventy-six".