612260436623880 has 256 divisors, whose sum is σ = 2109288161433600. Its totient is φ = 140610463488000.

The previous prime is 612260436623867. The next prime is 612260436623893. The reversal of 612260436623880 is 88326634062216.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (612260436623867) and next prime (612260436623893).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 612260436623880.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 843353445 + ... + 844079115.

It is an arithmetic number, because the mean of its divisors is an integer number (8239406880600).

Almost surely, 2^{612260436623880} is an apocalyptic number.

612260436623880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612260436623880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054644080716800).

612260436623880 is an abundant number, since it is smaller than the sum of its proper divisors (1497027724809720).

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

612260436623880 is a wasteful number, since it uses less digits than its factorization.

612260436623880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759356 (or 759352 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 57.

The spelling of 612260436623880 in words is "six hundred twelve trillion, two hundred sixty billion, four hundred thirty-six million, six hundred twenty-three thousand, eight hundred eighty".