21244082762 has 32 divisors (see below), whose sum is σ = 37779436800. Its totient is φ = 8766108288.

The previous prime is 21244082737. The next prime is 21244082777. The reversal of 21244082762 is 26728044212.

It is a super-2 number, since 2×21244082762² (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 15 ways as a sum of consecutive naturals, for example, 72878 + ... + 218630.

It is an arithmetic number, because the mean of its divisors is an integer number (1180607400).

Almost surely, 2^21244082762 is an apocalyptic number.

It is a pronic number, being equal to 145753×145754.

21244082762 is a deficient number, since it is larger than the sum of its proper divisors (16535354038).

21244082762 is a wasteful number, since it uses less digits than its factorization.

21244082762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146150.

The product of its (nonzero) digits is 86016, while the sum is 38.

The spelling of 21244082762 in words is "twenty-one billion, two hundred forty-four million, eighty-two thousand, seven hundred sixty-two".