345110021632 has 80 divisors (see below), whose sum is σ = 697776482304. Its totient is φ = 170507520000.

The previous prime is 345110021623. The next prime is 345110021647. The reversal of 345110021632 is 236120011543.

It is a self number, because there is not a number n which added to its sum of digits gives 345110021632.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14754907 + ... + 14778277.

Almost surely, 2^345110021632 is an apocalyptic number.

345110021632 is a gapful number since it is divisible by the number (32) 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 345110021632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348888241152).

345110021632 is an abundant number, since it is smaller than the sum of its proper divisors (352666460672).

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

345110021632 is a wasteful number, since it uses less digits than its factorization.

345110021632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23731 (or 23715 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 345110021632 in words is "three hundred forty-five billion, one hundred ten million, twenty-one thousand, six hundred thirty-two".