766550252430040 has 128 divisors (see below), whose sum is σ = 1867381530537600. Its totient is φ = 281517860782080.

The previous prime is 766550252430019. The next prime is 766550252430113. The reversal of 766550252430040 is 40034252055667.

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, 83291026 + ... + 92035294.

It is an arithmetic number, because the mean of its divisors is an integer number (14588918207325).

Almost surely, 2^{766550252430040} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 766550252430040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933690765268800).

766550252430040 is an abundant number, since it is smaller than the sum of its proper divisors (1100831278107560).

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

766550252430040 is a wasteful number, since it uses less digits than its factorization.

766550252430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8745197 (or 8745193 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 766550252430040 in words is "seven hundred sixty-six trillion, five hundred fifty billion, two hundred fifty-two million, four hundred thirty thousand, forty".