10615840 has 48 divisors (see below), whose sum is σ = 25679808. Its totient is φ = 4144896.

The previous prime is 10615819. The next prime is 10615841. The reversal of 10615840 is 4851601.

It is a super-2 number, since 2×10615840² = 225392117811200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10615841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6109 + ... + 7651.

It is an arithmetic number, because the mean of its divisors is an integer number (534996).

Almost surely, 2^10615840 is an apocalyptic number.

10615840 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 10615840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12839904).

10615840 is an abundant number, since it is smaller than the sum of its proper divisors (15063968).

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

10615840 is a wasteful number, since it uses less digits than its factorization.

10615840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 10615840 is about 3258.1958197751. The cubic root of 10615840 is about 219.7782890365.

The spelling of 10615840 in words is "ten million, six hundred fifteen thousand, eight hundred forty".