2645805932 has 48 divisors (see below), whose sum is σ = 5913492480. Its totient is φ = 1005686400.

The previous prime is 2645805901. The next prime is 2645805959. The reversal of 2645805932 is 2395085462.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92132 + ... + 117387.

It is an arithmetic number, because the mean of its divisors is an integer number (123197760).

Almost surely, 2^2645805932 is an apocalyptic number.

2645805932 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2645805932 is an abundant number, since it is smaller than the sum of its proper divisors (3267686548).

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

2645805932 is a wasteful number, since it uses less digits than its factorization.

2645805932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209582 (or 209580 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 2645805932 is about 51437.3981845894. The cubic root of 2645805932 is about 1383.0970720459.

The spelling of 2645805932 in words is "two billion, six hundred forty-five million, eight hundred five thousand, nine hundred thirty-two".