340428878780 has 12 divisors (see below), whose sum is σ = 714900645480. Its totient is φ = 136171551504.

The previous prime is 340428878753. The next prime is 340428878813. The reversal of 340428878780 is 87878824043.

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, 8510721950 + ... + 8510721989.

It is an arithmetic number, because the mean of its divisors is an integer number (59575053790).

Almost surely, 2^340428878780 is an apocalyptic number.

It is an amenable number.

340428878780 is an abundant number, since it is smaller than the sum of its proper divisors (374471766700).

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

340428878780 is a wasteful number, since it uses less digits than its factorization.

340428878780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17021443948 (or 17021443946 counting only the distinct ones).

The product of its (nonzero) digits is 19267584, while the sum is 59.

The spelling of 340428878780 in words is "three hundred forty billion, four hundred twenty-eight million, eight hundred seventy-eight thousand, seven hundred eighty".