15085040 has 20 divisors (see below), whose sum is σ = 35072904. Its totient is φ = 6033984.

The previous prime is 15085039. The next prime is 15085067. The reversal of 15085040 is 4058051.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 15084997 and 15085015.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 94202 + ... + 94361.

Almost surely, 2^15085040 is an apocalyptic number.

15085040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15085040 is an abundant number, since it is smaller than the sum of its proper divisors (19987864).

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

15085040 is a wasteful number, since it uses less digits than its factorization.

15085040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188576 (or 188570 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 15085040 is about 3883.9464465927. The cubic root of 15085040 is about 247.0863887255.

The spelling of 15085040 in words is "fifteen million, eighty-five thousand, forty".