2647123140 has 48 divisors (see below), whose sum is σ = 7485347520. Its totient is φ = 698908800.

The previous prime is 2647123099. The next prime is 2647123147. The reversal of 2647123140 is 413217462.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2647123098 and 2647123107.

It is not an unprimeable number, because it can be changed into a prime (2647123147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212350 + ... + 224469.

It is an arithmetic number, because the mean of its divisors is an integer number (155944740).

Almost surely, 2^2647123140 is an apocalyptic number.

2647123140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2647123140 is an abundant number, since it is smaller than the sum of its proper divisors (4838224380).

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

2647123140 is a wasteful number, since it uses less digits than its factorization.

2647123140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436932 (or 436930 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2647123140 is about 51450.2005826994. The cubic root of 2647123140 is about 1383.3265577965.

The spelling of 2647123140 in words is "two billion, six hundred forty-seven million, one hundred twenty-three thousand, one hundred forty".