2640333238 has 8 divisors (see below), whose sum is σ = 3973401432. Its totient is φ = 1315866096.

The previous prime is 2640333229. The next prime is 2640333247. The reversal of 2640333238 is 8323330462.

It is an interprime number because it is at equal distance from previous prime (2640333229) and next prime (2640333247).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2149495 + ... + 2150722.

It is an arithmetic number, because the mean of its divisors is an integer number (496675179).

Almost surely, 2^2640333238 is an apocalyptic number.

2640333238 is a deficient number, since it is larger than the sum of its proper divisors (1333068194).

2640333238 is a wasteful number, since it uses less digits than its factorization.

2640333238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300526.

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 2640333238 is about 51384.1730302240. The cubic root of 2640333238 is about 1382.1427954651.

The spelling of 2640333238 in words is "two billion, six hundred forty million, three hundred thirty-three thousand, two hundred thirty-eight".