21442500862070 has 64 divisors (see below), whose sum is σ = 38943880496640. Its totient is φ = 8500040059392.

The previous prime is 21442500862063. The next prime is 21442500862087. The reversal of 21442500862070 is 7026800524412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2190911717 + ... + 2190921503.

It is an arithmetic number, because the mean of its divisors is an integer number (608498132760).

Almost surely, 2^{21442500862070} is an apocalyptic number.

21442500862070 is a deficient number, since it is larger than the sum of its proper divisors (17501379634570).

21442500862070 is a wasteful number, since it uses less digits than its factorization.

21442500862070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12597.

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 21442500862070 in words is "twenty-one trillion, four hundred forty-two billion, five hundred million, eight hundred sixty-two thousand, seventy".