15480345654 has 24 divisors (see below), whose sum is σ = 33866391312. Its totient is φ = 5110016400.

The previous prime is 15480345653. The next prime is 15480345689. The reversal of 15480345654 is 45654308451.

15480345654 is a `hidden beast` number, since 1 + 5 + 4 + 80 + 3 + 4 + 565 + 4 = 666.

It is a super-2 number, since 2×15480345654² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15480345653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4172997 + ... + 4176704.

It is an arithmetic number, because the mean of its divisors is an integer number (1411099638).

Almost surely, 2^15480345654 is an apocalyptic number.

15480345654 is an abundant number, since it is smaller than the sum of its proper divisors (18386045658).

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

15480345654 is a wasteful number, since it uses less digits than its factorization.

15480345654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8349812 (or 8349809 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 15480345654 in words is "fifteen billion, four hundred eighty million, three hundred forty-five thousand, six hundred fifty-four".