345690828000 has 1728 divisors, whose sum is σ = 1550241358848. Its totient is φ = 73971532800.

The previous prime is 345690827869. The next prime is 345690828053. The reversal of 345690828000 is 828096543.

345690828000 is a `hidden beast` number, since 3 + 4 + 569 + 0 + 8 + 2 + 80 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 7355123977 + ... + 7355124023.

It is an arithmetic number, because the mean of its divisors is an integer number (897130416).

Almost surely, 2^345690828000 is an apocalyptic number.

345690828000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345690828000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775120679424).

345690828000 is an abundant number, since it is smaller than the sum of its proper divisors (1204550530848).

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

345690828000 is an equidigital number, since it uses as much as digits as its factorization.

345690828000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 345690828000 in words is "three hundred forty-five billion, six hundred ninety million, eight hundred twenty-eight thousand".