10515040 has 24 divisors (see below), whose sum is σ = 24842160. Its totient is φ = 4205952.

The previous prime is 10515031. The next prime is 10515053. The reversal of 10515040 is 4051501.

It is a happy number.

It is a super-2 number, since 2×10515040² = 221132132403200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32700 + ... + 33019.

It is an arithmetic number, because the mean of its divisors is an integer number (1035090).

Almost surely, 2^10515040 is an apocalyptic number.

10515040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10515040 is an abundant number, since it is smaller than the sum of its proper divisors (14327120).

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

10515040 is an equidigital number, since it uses as much as digits as its factorization.

10515040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65734 (or 65726 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 10515040 is about 3242.6902411424. The cubic root of 10515040 is about 219.0804594444.

Adding to 10515040 its reverse (4051501), we get a palindrome (14566541).

The spelling of 10515040 in words is "ten million, five hundred fifteen thousand, forty".