2647415940 has 48 divisors (see below), whose sum is σ = 7982979648. Its totient is φ = 651671424.

The previous prime is 2647415923. The next prime is 2647415941. The reversal of 2647415940 is 495147462.

It is a super-2 number, since 2×2647415940² = 14017622318732167200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2647415892 and 2647415901.

It is not an unprimeable number, because it can be changed into a prime (2647415941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696282 + ... + 1697841.

It is an arithmetic number, because the mean of its divisors is an integer number (166312076).

Almost surely, 2^2647415940 is an apocalyptic number.

2647415940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2647415940 is an abundant number, since it is smaller than the sum of its proper divisors (5335563708).

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

2647415940 is a wasteful number, since it uses less digits than its factorization.

2647415940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394148 (or 3394146 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 2647415940 is about 51453.0459739751. The cubic root of 2647415940 is about 1383.3775594641.

The spelling of 2647415940 in words is "two billion, six hundred forty-seven million, four hundred fifteen thousand, nine hundred forty".