15490480 has 40 divisors (see below), whose sum is σ = 36216432. Its totient is φ = 6161664.

The previous prime is 15490459. The next prime is 15490507. The reversal of 15490480 is 8409451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17734 + ... + 18586.

Almost surely, 2^15490480 is an apocalyptic number.

15490480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15490480 is an abundant number, since it is smaller than the sum of its proper divisors (20725952).

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

15490480 is a wasteful number, since it uses less digits than its factorization.

15490480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 15490480 is about 3935.7947100935. The cubic root of 15490480 is about 249.2804912150.

The spelling of 15490480 in words is "fifteen million, four hundred ninety thousand, four hundred eighty".