33740406736 has 40 divisors (see below), whose sum is σ = 69298511040. Its totient is φ = 15859244544.

The previous prime is 33740406683. The next prime is 33740406743. The reversal of 33740406736 is 63760404733.

It is a super-2 number, since 2×33740406736² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33740406692 and 33740406701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161445 + ... + 305851.

It is an arithmetic number, because the mean of its divisors is an integer number (1732462776).

Almost surely, 2^33740406736 is an apocalyptic number.

It is an amenable number.

33740406736 is an abundant number, since it is smaller than the sum of its proper divisors (35558104304).

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

33740406736 is a wasteful number, since it uses less digits than its factorization.

33740406736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145291 (or 145285 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 43.

The spelling of 33740406736 in words is "thirty-three billion, seven hundred forty million, four hundred six thousand, seven hundred thirty-six".