2650039394340 has 96 divisors (see below), whose sum is σ = 8092038689280. Its totient is φ = 644060192256.

The previous prime is 2650039394297. The next prime is 2650039394341. The reversal of 2650039394340 is 434939300562.

It is a self number, because there is not a number n which added to its sum of digits gives 2650039394340.

It is not an unprimeable number, because it can be changed into a prime (2650039394341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21441459 + ... + 21564698.

It is an arithmetic number, because the mean of its divisors is an integer number (84292069680).

Almost surely, 2^{2650039394340} is an apocalyptic number.

2650039394340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2650039394340 is an abundant number, since it is smaller than the sum of its proper divisors (5441999294940).

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

2650039394340 is a wasteful number, since it uses less digits than its factorization.

2650039394340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43006261 (or 43006259 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 48.

The spelling of 2650039394340 in words is "two trillion, six hundred fifty billion, thirty-nine million, three hundred ninety-four thousand, three hundred forty".