612260436623844 has 24 divisors (see below), whose sum is σ = 1467218703982528. Its totient is φ = 198570952418400.

The previous prime is 612260436623819. The next prime is 612260436623867. The reversal of 612260436623844 is 448326634062216.

It is a super-2 number, since 2×612260436623844² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689482473232 + ... + 689482474119.

Almost surely, 2^{612260436623844} is an apocalyptic number.

It is an amenable number.

612260436623844 is an abundant number, since it is smaller than the sum of its proper divisors (854958267358684).

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

612260436623844 is a wasteful number, since it uses less digits than its factorization.

612260436623844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378964947395 (or 1378964947393 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 57.

The spelling of 612260436623844 in words is "six hundred twelve trillion, two hundred sixty billion, four hundred thirty-six million, six hundred twenty-three thousand, eight hundred forty-four".