2676247640 has 32 divisors (see below), whose sum is σ = 6568972560. Its totient is φ = 973180800.

The previous prime is 2676247621. The next prime is 2676247649. The reversal of 2676247640 is 467426762.

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

It is a junction number, because it is equal to n+sod(n) for n = 2676247591 and 2676247600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2676247649) 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, 3040751 + ... + 3041630.

Almost surely, 2^2676247640 is an apocalyptic number.

2676247640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2676247640 is an abundant number, since it is smaller than the sum of its proper divisors (3892724920).

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

2676247640 is a wasteful number, since it uses less digits than its factorization.

2676247640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082403 (or 6082399 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 44.

The square root of 2676247640 is about 51732.4621490221. The cubic root of 2676247640 is about 1388.3813326589.

The spelling of 2676247640 in words is "two billion, six hundred seventy-six million, two hundred forty-seven thousand, six hundred forty".