33367400172 has 96 divisors (see below), whose sum is σ = 87915125760. Its totient is φ = 11079411984.

The previous prime is 33367400149. The next prime is 33367400191. The reversal of 33367400172 is 27100476333.

It is a super-2 number, since 2×33367400172² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2293473 + ... + 2307975.

It is an arithmetic number, because the mean of its divisors is an integer number (915782560).

Almost surely, 2^33367400172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33367400172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43957562880).

33367400172 is an abundant number, since it is smaller than the sum of its proper divisors (54547725588).

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

33367400172 is a wasteful number, since it uses less digits than its factorization.

33367400172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14791 (or 14771 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The spelling of 33367400172 in words is "thirty-three billion, three hundred sixty-seven million, four hundred thousand, one hundred seventy-two".