2495715840 has 160 divisors (see below), whose sum is σ = 8865236160. Its totient is φ = 665505792.

The previous prime is 2495715731. The next prime is 2495715847. The reversal of 2495715840 is 485175942.

2495715840 is a `hidden beast` number, since 2 + 495 + 7 + 158 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2495715847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51067 + ... + 87173.

It is an arithmetic number, because the mean of its divisors is an integer number (55407726).

Almost surely, 2^2495715840 is an apocalyptic number.

2495715840 is a gapful number since it is divisible by the number (20) 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 2495715840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4432618080).

2495715840 is an abundant number, since it is smaller than the sum of its proper divisors (6369520320).

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

2495715840 is an equidigital number, since it uses as much as digits as its factorization.

2495715840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36139 (or 36117 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 2495715840 is about 49957.1400302299. The cubic root of 2495715840 is about 1356.4330984014.

The spelling of 2495715840 in words is "two billion, four hundred ninety-five million, seven hundred fifteen thousand, eight hundred forty".