2261636532 has 48 divisors (see below), whose sum is σ = 5893937280. Its totient is φ = 749965824.

The previous prime is 2261636479. The next prime is 2261636551. The reversal of 2261636532 is 2356361622.

2261636532 is a `hidden beast` number, since 2 + 2 + 61 + 63 + 6 + 532 = 666.

It is a super-2 number, since 2×2261636532² = 10229999605753974048, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33408 + ... + 75095.

It is an arithmetic number, because the mean of its divisors is an integer number (122790360).

Almost surely, 2^2261636532 is an apocalyptic number.

It is an amenable number.

2261636532 is an abundant number, since it is smaller than the sum of its proper divisors (3632300748).

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

2261636532 is a wasteful number, since it uses less digits than its factorization.

2261636532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108709 (or 108701 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 2261636532 is about 47556.6665358286. Note that the first 3 decimals coincide. The cubic root of 2261636532 is about 1312.6258021457.

The spelling of 2261636532 in words is "two billion, two hundred sixty-one million, six hundred thirty-six thousand, five hundred thirty-two".