345520062644 has 24 divisors (see below), whose sum is σ = 605167223136. Its totient is φ = 172615212000.

The previous prime is 345520062557. The next prime is 345520062647. The reversal of 345520062644 is 446260025543.

It is a super-2 number, since 2×345520062644² (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 (345520062647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28289699 + ... + 28301909.

It is an arithmetic number, because the mean of its divisors is an integer number (25215300964).

Almost surely, 2^345520062644 is an apocalyptic number.

It is an amenable number.

345520062644 is a deficient number, since it is larger than the sum of its proper divisors (259647160492).

345520062644 is a wasteful number, since it uses less digits than its factorization.

345520062644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17567 (or 17565 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 345520062644 in words is "three hundred forty-five billion, five hundred twenty million, sixty-two thousand, six hundred forty-four".