15490584240 has 80 divisors (see below), whose sum is σ = 48221913600. Its totient is φ = 4113523456.

The previous prime is 15490584227. The next prime is 15490584281. The reversal of 15490584240 is 4248509451.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 15490584192 and 15490584201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77670 + ... + 192389.

It is an arithmetic number, because the mean of its divisors is an integer number (602773920).

Almost surely, 2^15490584240 is an apocalyptic number.

15490584240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15490584240 is an abundant number, since it is smaller than the sum of its proper divisors (32731329360).

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

15490584240 is a wasteful number, since it uses less digits than its factorization.

15490584240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270314 (or 270308 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 15490584240 in words is "fifteen billion, four hundred ninety million, five hundred eighty-four thousand, two hundred forty".