345740399895 has 32 divisors (see below), whose sum is σ = 624283614720. Its totient is φ = 161851303040.

The previous prime is 345740399891. The next prime is 345740399897. The reversal of 345740399895 is 598993047543.

It is not a de Polignac number, because 345740399895 - 2² = 345740399891 is a prime.

It is a super-2 number, since 2×345740399895² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345740399891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36122739 + ... + 36132308.

It is an arithmetic number, because the mean of its divisors is an integer number (19508862960).

Almost surely, 2^345740399895 is an apocalyptic number.

345740399895 is a deficient number, since it is larger than the sum of its proper divisors (278543214825).

345740399895 is a wasteful number, since it uses less digits than its factorization.

345740399895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72255095.

The product of its (nonzero) digits is 146966400, while the sum is 66.

The spelling of 345740399895 in words is "three hundred forty-five billion, seven hundred forty million, three hundred ninety-nine thousand, eight hundred ninety-five".