12402648990 has 64 divisors (see below), whose sum is σ = 33245236800. Its totient is φ = 3290222592.

The previous prime is 12402648989. The next prime is 12402649001. The reversal of 12402648990 is 9984620421.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66895 + ... + 171114.

It is an arithmetic number, because the mean of its divisors is an integer number (519456825).

Almost surely, 2^12402648990 is an apocalyptic number.

12402648990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12402648990 is an abundant number, since it is smaller than the sum of its proper divisors (20842587810).

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

12402648990 is a wasteful number, since it uses less digits than its factorization.

12402648990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238218 (or 238212 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 12402648990 in words is "twelve billion, four hundred two million, six hundred forty-eight thousand, nine hundred ninety".