345958712571540 has 48 divisors (see below), whose sum is σ = 968767753524480. Its totient is φ = 92247717797760.

The previous prime is 345958712571529. The next prime is 345958712571547. The reversal of 345958712571540 is 45175217859543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345958712571547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247387180 + ... + 248781699.

It is an arithmetic number, because the mean of its divisors is an integer number (20182661531760).

Almost surely, 2^{345958712571540} is an apocalyptic number.

345958712571540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345958712571540 is an abundant number, since it is smaller than the sum of its proper divisors (622809040952940).

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

345958712571540 is a wasteful number, since it uses less digits than its factorization.

345958712571540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496180512 (or 496180510 counting only the distinct ones).

The product of its (nonzero) digits is 211680000, while the sum is 66.

The spelling of 345958712571540 in words is "three hundred forty-five trillion, nine hundred fifty-eight billion, seven hundred twelve million, five hundred seventy-one thousand, five hundred forty".