2452562640 has 120 divisors (see below), whose sum is σ = 8985326688. Its totient is φ = 594558720.

The previous prime is 2452562639. The next prime is 2452562689. The reversal of 2452562640 is 462652542.

2452562640 is a `hidden beast` number, since 2 + 4 + 5 + 2 + 5 + 6 + 2 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 = 2452562595 and 2452562604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146914 + ... + 162753.

Almost surely, 2^2452562640 is an apocalyptic number.

2452562640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2452562640 is an abundant number, since it is smaller than the sum of its proper divisors (6532764048).

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

2452562640 is a wasteful number, since it uses less digits than its factorization.

2452562640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309697 (or 309688 counting only the distinct ones).

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

The square root of 2452562640 is about 49523.3544905835. The cubic root of 2452562640 is about 1348.5696125456.

The spelling of 2452562640 in words is "two billion, four hundred fifty-two million, five hundred sixty-two thousand, six hundred forty".