766494342880 has 192 divisors, whose sum is σ = 2180001600000. Its totient is φ = 248790140928.

The previous prime is 766494342871. The next prime is 766494342907. The reversal of 766494342880 is 88243494667.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31886706 + ... + 31910734.

It is an arithmetic number, because the mean of its divisors is an integer number (11354175000).

Almost surely, 2^766494342880 is an apocalyptic number.

766494342880 is a gapful number since it is divisible by the number (70) 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 766494342880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090000800000).

766494342880 is an abundant number, since it is smaller than the sum of its proper divisors (1413507257120).

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

766494342880 is a wasteful number, since it uses less digits than its factorization.

766494342880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25569 (or 25561 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 61.

The spelling of 766494342880 in words is "seven hundred sixty-six billion, four hundred ninety-four million, three hundred forty-two thousand, eight hundred eighty".