345451252740 has 96 divisors (see below), whose sum is σ = 1056455930880. Its totient is φ = 83645808000.

The previous prime is 345451252723. The next prime is 345451252771. The reversal of 345451252740 is 47252154543.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 345451252692 and 345451252701.

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 31 ways as a sum of consecutive naturals, for example, 241815 + ... + 865665.

It is an arithmetic number, because the mean of its divisors is an integer number (11004749280).

Almost surely, 2^345451252740 is an apocalyptic number.

345451252740 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 345451252740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528227965440).

345451252740 is an abundant number, since it is smaller than the sum of its proper divisors (711004678140).

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

345451252740 is a wasteful number, since it uses less digits than its factorization.

345451252740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624713 (or 624711 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 42.

The spelling of 345451252740 in words is "three hundred forty-five billion, four hundred fifty-one million, two hundred fifty-two thousand, seven hundred forty".