15490460664 has 192 divisors, whose sum is σ = 49735296000. Its totient is φ = 4261582080.

The previous prime is 15490460651. The next prime is 15490460669. The reversal of 15490460664 is 46606409451.

It is a happy number.

15490460664 is a `hidden beast` number, since 1 + 549 + 0 + 46 + 0 + 6 + 64 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15490460669) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6298267 + ... + 6300725.

It is an arithmetic number, because the mean of its divisors is an integer number (259038000).

Almost surely, 2^15490460664 is an apocalyptic number.

15490460664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15490460664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24867648000).

15490460664 is an abundant number, since it is smaller than the sum of its proper divisors (34244835336).

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

15490460664 is a wasteful number, since it uses less digits than its factorization.

15490460664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938 (or 2931 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 15490460664 in words is "fifteen billion, four hundred ninety million, four hundred sixty thousand, six hundred sixty-four".