2662620040 has 32 divisors (see below), whose sum is σ = 6049068480. Its totient is φ = 1054706112.

The previous prime is 2662619987. The next prime is 2662620041. The reversal of 2662620040 is 400262662.

2662620040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2662619990 and 2662620008.

It is not an unprimeable number, because it can be changed into a prime (2662620041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319014 + ... + 327253.

It is an arithmetic number, because the mean of its divisors is an integer number (189033390).

Almost surely, 2^2662620040 is an apocalyptic number.

2662620040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2662620040 is an abundant number, since it is smaller than the sum of its proper divisors (3386448440).

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

2662620040 is a wasteful number, since it uses less digits than its factorization.

2662620040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646381 (or 646377 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2662620040 is about 51600.5817796660. The cubic root of 2662620040 is about 1386.0207500362.

The spelling of 2662620040 in words is "two billion, six hundred sixty-two million, six hundred twenty thousand, forty".