33820408074 has 64 divisors (see below), whose sum is σ = 69933523968. Its totient is φ = 10897286400.

The previous prime is 33820408067. The next prime is 33820408079. The reversal of 33820408074 is 47080402833.

It is a super-2 number, since 2×33820408074² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33820408079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14633379 + ... + 14635689.

It is an arithmetic number, because the mean of its divisors is an integer number (1092711312).

Almost surely, 2^33820408074 is an apocalyptic number.

33820408074 is an abundant number, since it is smaller than the sum of its proper divisors (36113115894).

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

33820408074 is a wasteful number, since it uses less digits than its factorization.

33820408074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923.

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 33820408074 in words is "thirty-three billion, eight hundred twenty million, four hundred eight thousand, seventy-four".