15375040 has 56 divisors (see below), whose sum is σ = 38221920. Its totient is φ = 5879808.

The previous prime is 15375011. The next prime is 15375043. The reversal of 15375040 is 4057351.

It is a junction number, because it is equal to n+sod(n) for n = 15374996 and 15375014.

It is not an unprimeable number, because it can be changed into a prime (15375043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6316 + ... + 8404.

Almost surely, 2^15375040 is an apocalyptic number.

15375040 is a gapful number since it is divisible by the number (10) 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 15375040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19110960).

15375040 is an abundant number, since it is smaller than the sum of its proper divisors (22846880).

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

15375040 is a wasteful number, since it uses less digits than its factorization.

15375040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129 (or 2119 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 15375040 is about 3921.1018859499. The cubic root of 15375040 is about 248.6597073029.

The spelling of 15375040 in words is "fifteen million, three hundred seventy-five thousand, forty".