2764004140 has 12 divisors (see below), whose sum is σ = 5804408736. Its totient is φ = 1105601648.

The previous prime is 2764004071. The next prime is 2764004147. The reversal of 2764004140 is 414004672.

It is a junction number, because it is equal to n+sod(n) for n = 2764004099 and 2764004108.

It is not an unprimeable number, because it can be changed into a prime (2764004147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69100084 + ... + 69100123.

It is an arithmetic number, because the mean of its divisors is an integer number (483700728).

Almost surely, 2^2764004140 is an apocalyptic number.

2764004140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2764004140 is an abundant number, since it is smaller than the sum of its proper divisors (3040404596).

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

2764004140 is a wasteful number, since it uses less digits than its factorization.

2764004140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138200216 (or 138200214 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 2764004140 is about 52573.7970856205. The cubic root of 2764004140 is about 1403.3938307726.

The spelling of 2764004140 in words is "two billion, seven hundred sixty-four million, four thousand, one hundred forty".