345206931400 has 24 divisors (see below), whose sum is σ = 802606115970. Its totient is φ = 138082772480.

The previous prime is 345206931389. The next prime is 345206931409. The reversal of 345206931400 is 4139602543.

It can be written as a sum of positive squares in 3 ways, for example, as 293597087716 + 51609843684 = 541846^2 + 227178^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 345206931400.

It is not an unprimeable number, because it can be changed into a prime (345206931409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 863017129 + ... + 863017528.

Almost surely, 2^345206931400 is an apocalyptic number.

It is an amenable number.

345206931400 is an abundant number, since it is smaller than the sum of its proper divisors (457399184570).

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

345206931400 is a wasteful number, since it uses less digits than its factorization.

345206931400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726034673 (or 1726034664 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 345206931400 in words is "three hundred forty-five billion, two hundred six million, nine hundred thirty-one thousand, four hundred".