2647676240 has 40 divisors (see below), whose sum is σ = 6715471968. Its totient is φ = 962791040.

The previous prime is 2647676183. The next prime is 2647676243. The reversal of 2647676240 is 426767462.

It is a tau number, because it is divible by the number of its divisors (40).

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 = 2647676191 and 2647676200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2647676243) 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, 1503482 + ... + 1505241.

Almost surely, 2^2647676240 is an apocalyptic number.

2647676240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2647676240 is an abundant number, since it is smaller than the sum of its proper divisors (4067795728).

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

2647676240 is a wasteful number, since it uses less digits than its factorization.

2647676240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008747 (or 3008741 counting only the distinct ones).

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

The square root of 2647676240 is about 51455.5754024770. The cubic root of 2647676240 is about 1383.4228969285.

The spelling of 2647676240 in words is "two billion, six hundred forty-seven million, six hundred seventy-six thousand, two hundred forty".