2640364348 has 6 divisors (see below), whose sum is σ = 4620637616. Its totient is φ = 1320182172.

The previous prime is 2640364339. The next prime is 2640364411. The reversal of 2640364348 is 8434630462.

It is a self number, because there is not a number n which added to its sum of digits gives 2640364348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330045540 + ... + 330045547.

Almost surely, 2^2640364348 is an apocalyptic number.

It is an amenable number.

2640364348 is a deficient number, since it is larger than the sum of its proper divisors (1980273268).

2640364348 is a wasteful number, since it uses less digits than its factorization.

2640364348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660091091 (or 660091089 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 2640364348 is about 51384.4757490042. The cubic root of 2640364348 is about 1382.1482238574.

The spelling of 2640364348 in words is "two billion, six hundred forty million, three hundred sixty-four thousand, three hundred forty-eight".