33405453808 has 10 divisors (see below), whose sum is σ = 64723066784. Its totient is φ = 16702726896.

The previous prime is 33405453791. The next prime is 33405453853. The reversal of 33405453808 is 80835450433.

It is a super-2 number, since 2×33405453808² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043920416 + ... + 1043920447.

Almost surely, 2^33405453808 is an apocalyptic number.

It is an amenable number.

33405453808 is a deficient number, since it is larger than the sum of its proper divisors (31317612976).

33405453808 is a wasteful number, since it uses less digits than its factorization.

33405453808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087840871 (or 2087840865 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 33405453808 in words is "thirty-three billion, four hundred five million, four hundred fifty-three thousand, eight hundred eight".