346809640770 has 128 divisors (see below), whose sum is σ = 958801536000. Its totient is φ = 89098894080.

The previous prime is 346809640763. The next prime is 346809640783. The reversal of 346809640770 is 77046908643.

It is a happy number.

346809640770 is a `hidden beast` number, since 3 + 4 + 6 + 80 + 96 + 407 + 70 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3561591 + ... + 3657669.

It is an arithmetic number, because the mean of its divisors is an integer number (7490637000).

Almost surely, 2^346809640770 is an apocalyptic number.

346809640770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 346809640770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479400768000).

346809640770 is an abundant number, since it is smaller than the sum of its proper divisors (611991895230).

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

346809640770 is a wasteful number, since it uses less digits than its factorization.

346809640770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96585 (or 96579 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 346809640770 in words is "three hundred forty-six billion, eight hundred nine million, six hundred forty thousand, seven hundred seventy".