33940645362 has 48 divisors (see below), whose sum is σ = 81036603648. Its totient is φ = 10200405600.

The previous prime is 33940645357. The next prime is 33940645363. The reversal of 33940645362 is 26354604933.

It is a super-2 number, since 2×33940645362² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33940645363) 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 23 ways as a sum of consecutive naturals, for example, 1676514 + ... + 1696637.

It is an arithmetic number, because the mean of its divisors is an integer number (1688262576).

Almost surely, 2^33940645362 is an apocalyptic number.

33940645362 is an abundant number, since it is smaller than the sum of its proper divisors (47095958286).

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

33940645362 is a wasteful number, since it uses less digits than its factorization.

33940645362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373215 (or 3373212 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 33940645362 in words is "thirty-three billion, nine hundred forty million, six hundred forty-five thousand, three hundred sixty-two".