21400033002 has 16 divisors (see below), whose sum is σ = 43192728480. Its totient is φ = 7067900592.

The previous prime is 21400032989. The next prime is 21400033043. The reversal of 21400033002 is 20033000412.

It is a super-2 number, since 2×21400033002² (a number of 21 digits) contains 22 as substring.

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, 16360228 + ... + 16361535.

It is an arithmetic number, because the mean of its divisors is an integer number (2699545530).

Almost surely, 2^21400033002 is an apocalyptic number.

21400033002 is an abundant number, since it is smaller than the sum of its proper divisors (21792695478).

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

21400033002 is a wasteful number, since it uses less digits than its factorization.

21400033002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32721877.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 21400033002 its reverse (20033000412), we get a palindrome (41433033414).

The spelling of 21400033002 in words is "twenty-one billion, four hundred million, thirty-three thousand, two".