2643041940 has 96 divisors (see below), whose sum is σ = 9226635264. Its totient is φ = 549202560.

The previous prime is 2643041893. The next prime is 2643042011. The reversal of 2643041940 is 491403462.

2643041940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281424 + ... + 290663.

It is an arithmetic number, because the mean of its divisors is an integer number (96110784).

Almost surely, 2^2643041940 is an apocalyptic number.

2643041940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2643041940 is an abundant number, since it is smaller than the sum of its proper divisors (6583593324).

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

2643041940 is a wasteful number, since it uses less digits than its factorization.

2643041940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572117 (or 572115 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 2643041940 is about 51410.5236308676. The cubic root of 2643041940 is about 1382.6152779253.

The spelling of 2643041940 in words is "two billion, six hundred forty-three million, forty-one thousand, nine hundred forty".