2635663152 has 80 divisors (see below), whose sum is σ = 7133606912. Its totient is φ = 837492480.

The previous prime is 2635663139. The next prime is 2635663157. The reversal of 2635663152 is 2513665362.

It is a self number, because there is not a number n which added to its sum of digits gives 2635663152.

It is not an unprimeable number, because it can be changed into a prime (2635663157) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 86478 + ... + 112914.

Almost surely, 2^2635663152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2635663152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3566803456).

2635663152 is an abundant number, since it is smaller than the sum of its proper divisors (4497943760).

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

2635663152 is a wasteful number, since it uses less digits than its factorization.

2635663152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26546 (or 26540 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The square root of 2635663152 is about 51338.7100733939. The cubic root of 2635663152 is about 1381.3274267879.

The spelling of 2635663152 in words is "two billion, six hundred thirty-five million, six hundred sixty-three thousand, one hundred fifty-two".