2149346708340 has 144 divisors (see below), whose sum is σ = 6623550815616. Its totient is φ = 520396531200.

The previous prime is 2149346708329. The next prime is 2149346708359. The reversal of 2149346708340 is 438076439412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1118896 + ... + 2355975.

It is an arithmetic number, because the mean of its divisors is an integer number (45996880664).

Almost surely, 2^{2149346708340} is an apocalyptic number.

2149346708340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2149346708340 is an abundant number, since it is smaller than the sum of its proper divisors (4474204107276).

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

2149346708340 is a wasteful number, since it uses less digits than its factorization.

2149346708340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474970 (or 3474955 counting only the distinct ones).

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

The spelling of 2149346708340 in words is "two trillion, one hundred forty-nine billion, three hundred forty-six million, seven hundred eight thousand, three hundred forty".