33433333380 has 72 divisors (see below), whose sum is σ = 102460007832. Its totient is φ = 8823638016.

The previous prime is 33433333379. The next prime is 33433333429. The reversal of 33433333380 is 8333333433.

It can be written as a sum of positive squares in 4 ways, for example, as 5834820996 + 27598512384 = 76386^2 + 166128^2 .

It is a super-2 number, since 2×33433333380² (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 23 ways as a sum of consecutive naturals, for example, 939967 + ... + 974886.

Almost surely, 2^33433333380 is an apocalyptic number.

33433333380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33433333380 is an abundant number, since it is smaller than the sum of its proper divisors (69026674452).

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

33433333380 is a wasteful number, since it uses less digits than its factorization.

33433333380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914965 (or 1914960 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 36.

The spelling of 33433333380 in words is "thirty-three billion, four hundred thirty-three million, three hundred thirty-three thousand, three hundred eighty".