1200644486262 has 128 divisors (see below), whose sum is σ = 2920437918720. Its totient is φ = 363396983040.

The previous prime is 1200644486243. The next prime is 1200644486281. The reversal of 1200644486262 is 2626844460021.

1200644486262 is a `hidden beast` number, since 12 + 0 + 0 + 6 + 4 + 4 + 4 + 8 + 626 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1200644486243) and next prime (1200644486281).

It is a congruent number.

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, 22052818 + ... + 22107194.

It is an arithmetic number, because the mean of its divisors is an integer number (22815921240).

Almost surely, 2^{1200644486262} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200644486262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460218959360).

1200644486262 is an abundant number, since it is smaller than the sum of its proper divisors (1719793432458).

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

1200644486262 is a wasteful number, since it uses less digits than its factorization.

1200644486262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54915 (or 54909 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 1200644486262 in words is "one trillion, two hundred billion, six hundred forty-four million, four hundred eighty-six thousand, two hundred sixty-two".