63240660492 has 24 divisors (see below), whose sum is σ = 147963626496. Its totient is φ = 21022779408.

The previous prime is 63240660437. The next prime is 63240660493. The reversal of 63240660492 is 29406604236.

It is a super-2 number, since 2×63240660492² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63240660493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7175508 + ... + 7184315.

It is an arithmetic number, because the mean of its divisors is an integer number (6165151104).

Almost surely, 2^63240660492 is an apocalyptic number.

It is an amenable number.

63240660492 is an abundant number, since it is smaller than the sum of its proper divisors (84722966004).

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

63240660492 is a wasteful number, since it uses less digits than its factorization.

63240660492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14360197 (or 14360195 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 63240660492 in words is "sixty-three billion, two hundred forty million, six hundred sixty thousand, four hundred ninety-two".