3311849640138 has 32 divisors (see below), whose sum is σ = 7552815471936. Its totient is φ = 959087678208.

The previous prime is 3311849640133. The next prime is 3311849640161. The reversal of 3311849640138 is 8310469481133.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (3311849640133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1248810756 + ... + 1248813407.

It is an arithmetic number, because the mean of its divisors is an integer number (236025483498).

Almost surely, 2^{3311849640138} is an apocalyptic number.

3311849640138 is an abundant number, since it is smaller than the sum of its proper divisors (4240965831798).

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

3311849640138 is a wasteful number, since it uses less digits than its factorization.

3311849640138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497624198.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 3311849640138 in words is "three trillion, three hundred eleven billion, eight hundred forty-nine million, six hundred forty thousand, one hundred thirty-eight".