33266363640 has 64 divisors (see below), whose sum is σ = 105669632160. Its totient is φ = 8349204480.

The previous prime is 33266363597. The next prime is 33266363677. The reversal of 33266363640 is 4636366233.

It is a super-2 number, since 2×33266363640² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33266363592 and 33266363601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8151481 + ... + 8155560.

Almost surely, 2^33266363640 is an apocalyptic number.

33266363640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33266363640 is an abundant number, since it is smaller than the sum of its proper divisors (72403268520).

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

33266363640 is a wasteful number, since it uses less digits than its factorization.

33266363640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16307072 (or 16307068 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 42.

The spelling of 33266363640 in words is "thirty-three billion, two hundred sixty-six million, three hundred sixty-three thousand, six hundred forty".