21740037385002 has 32 divisors (see below), whose sum is σ = 43887203179200. Its totient is φ = 7178826778368.

The previous prime is 21740037384991. The next prime is 21740037385093. The reversal of 21740037385002 is 20058373004712.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40557874 + ... + 41090402.

It is an arithmetic number, because the mean of its divisors is an integer number (1371475099350).

Almost surely, 2^{21740037385002} is an apocalyptic number.

21740037385002 is an abundant number, since it is smaller than the sum of its proper divisors (22147165794198).

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

21740037385002 is a wasteful number, since it uses less digits than its factorization.

21740037385002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596230.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 21740037385002 in words is "twenty-one trillion, seven hundred forty billion, thirty-seven million, three hundred eighty-five thousand, two".