345421330000 has 300 divisors, whose sum is σ = 900536860960. Its totient is φ = 127955808000.

The previous prime is 345421329997. The next prime is 345421330091. The reversal of 345421330000 is 33124543.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 419709589 + ... + 419710411.

Almost surely, 2^345421330000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345421330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450268430480).

345421330000 is an abundant number, since it is smaller than the sum of its proper divisors (555115530960).

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

345421330000 is an equidigital number, since it uses as much as digits as its factorization.

345421330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 345421330000 its reverse (33124543), we get a palindrome (345454454543).

The spelling of 345421330000 in words is "three hundred forty-five billion, four hundred twenty-one million, three hundred thirty thousand".