33400670736 has 20 divisors (see below), whose sum is σ = 86285066192. Its totient is φ = 11133556896.

The previous prime is 33400670683. The next prime is 33400670749. The reversal of 33400670736 is 63707600433.

It is a super-2 number, since 2×33400670736² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33400670694 and 33400670703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347923606 + ... + 347923701.

Almost surely, 2^33400670736 is an apocalyptic number.

It is an amenable number.

33400670736 is an abundant number, since it is smaller than the sum of its proper divisors (52884395456).

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

33400670736 is a wasteful number, since it uses less digits than its factorization.

33400670736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695847318 (or 695847312 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 39.

The spelling of 33400670736 in words is "thirty-three billion, four hundred million, six hundred seventy thousand, seven hundred thirty-six".