2664872394 has 32 divisors (see below), whose sum is σ = 5421427200. Its totient is φ = 873087600.

The previous prime is 2664872393. The next prime is 2664872429. The reversal of 2664872394 is 4932784662.

It is not an unprimeable number, because it can be changed into a prime (2664872393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131557 + ... + 150455.

It is an arithmetic number, because the mean of its divisors is an integer number (169419600).

Almost surely, 2^2664872394 is an apocalyptic number.

2664872394 is an abundant number, since it is smaller than the sum of its proper divisors (2756554806).

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

2664872394 is a wasteful number, since it uses less digits than its factorization.

2664872394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19306.

The product of its digits is 3483648, while the sum is 51.

The square root of 2664872394 is about 51622.4020556967. The cubic root of 2664872394 is about 1386.4114591227.

The spelling of 2664872394 in words is "two billion, six hundred sixty-four million, eight hundred seventy-two thousand, three hundred ninety-four".