2465225640 has 96 divisors (see below), whose sum is σ = 8228567880. Its totient is φ = 639622656.

The previous prime is 2465225593. The next prime is 2465225681. The reversal of 2465225640 is 465225642.

2465225640 is a `hidden beast` number, since 2 + 4 + 6 + 5 + 2 + 2 + 5 + 640 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2058073956 + 407151684 = 45366^2 + 20178^2 .

It is a super-2 number, since 2×2465225640² = 12154674912226819200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2465225595 and 2465225604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79219 + ... + 105858.

Almost surely, 2^2465225640 is an apocalyptic number.

2465225640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2465225640 is an abundant number, since it is smaller than the sum of its proper divisors (5763342240).

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

2465225640 is a wasteful number, since it uses less digits than its factorization.

2465225640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185131 (or 185124 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 2465225640 is about 49651.0386598307. The cubic root of 2465225640 is about 1350.8865945681.

The spelling of 2465225640 in words is "two billion, four hundred sixty-five million, two hundred twenty-five thousand, six hundred forty".