21462504348 has 48 divisors (see below), whose sum is σ = 52884599040. Its totient is φ = 6755817600.

The previous prime is 21462504347. The next prime is 21462504359. The reversal of 21462504348 is 84340526412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21462504347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80433 + ... + 222248.

It is an arithmetic number, because the mean of its divisors is an integer number (1101762480).

Almost surely, 2^21462504348 is an apocalyptic number.

It is an amenable number.

21462504348 is an abundant number, since it is smaller than the sum of its proper divisors (31422094692).

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

21462504348 is a wasteful number, since it uses less digits than its factorization.

21462504348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303018 (or 303016 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 21462504348 in words is "twenty-one billion, four hundred sixty-two million, five hundred four thousand, three hundred forty-eight".