2674169640 has 80 divisors (see below), whose sum is σ = 8988192180. Its totient is φ = 713111040.

The previous prime is 2674169639. The next prime is 2674169689. The reversal of 2674169640 is 469614762.

2674169640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2615095044 + 59074596 = 51138^2 + 7686^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 409441 + ... + 415920.

Almost surely, 2^2674169640 is an apocalyptic number.

2674169640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2674169640 is an abundant number, since it is smaller than the sum of its proper divisors (6314022540).

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

2674169640 is a wasteful number, since it uses less digits than its factorization.

2674169640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825384 (or 825371 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 2674169640 is about 51712.3741477801. The cubic root of 2674169640 is about 1388.0218986266.

The spelling of 2674169640 in words is "two billion, six hundred seventy-four million, one hundred sixty-nine thousand, six hundred forty".