33261266760 has 64 divisors (see below), whose sum is σ = 100752612480. Its totient is φ = 8783554560.

The previous prime is 33261266749. The next prime is 33261266767. The reversal of 33261266760 is 6766216233.

It is a super-2 number, since 2×33261266760² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33261266767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1333161 + ... + 1357880.

It is an arithmetic number, because the mean of its divisors is an integer number (1574259570).

Almost surely, 2^33261266760 is an apocalyptic number.

33261266760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33261266760 is an abundant number, since it is smaller than the sum of its proper divisors (67491345720).

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

33261266760 is a wasteful number, since it uses less digits than its factorization.

33261266760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691158 (or 2691154 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The spelling of 33261266760 in words is "thirty-three billion, two hundred sixty-one million, two hundred sixty-six thousand, seven hundred sixty".