345098369880 has 192 divisors, whose sum is σ = 1262999761920. Its totient is φ = 80961465600.

The previous prime is 345098369839. The next prime is 345098369899. The reversal of 345098369880 is 88963890543.

345098369880 is a `hidden beast` number, since 3 + 4 + 509 + 8 + 36 + 98 + 8 + 0 = 666.

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, 1282822 + ... + 1528341.

It is an arithmetic number, because the mean of its divisors is an integer number (6578123760).

Almost surely, 2^345098369880 is an apocalyptic number.

345098369880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345098369880 is an abundant number, since it is smaller than the sum of its proper divisors (917901392040).

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

345098369880 is a wasteful number, since it uses less digits than its factorization.

345098369880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811222 (or 2811215 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 345098369880 in words is "three hundred forty-five billion, ninety-eight million, three hundred sixty-nine thousand, eight hundred eighty".