2740609490670 has 160 divisors (see below), whose sum is σ = 7454448970848. Its totient is φ = 722404334592.

The previous prime is 2740609490651. The next prime is 2740609490681. The reversal of 2740609490670 is 760949060472.

It is a happy number.

2740609490670 is a `hidden beast` number, since 2 + 7 + 406 + 0 + 94 + 90 + 67 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 39573594 + ... + 39642786.

Almost surely, 2^{2740609490670} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2740609490670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3727224485424).

2740609490670 is an abundant number, since it is smaller than the sum of its proper divisors (4713839480178).

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

2740609490670 is a wasteful number, since it uses less digits than its factorization.

2740609490670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69776 (or 69767 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 2740609490670 in words is "two trillion, seven hundred forty billion, six hundred nine million, four hundred ninety thousand, six hundred seventy".