33390372474 has 16 divisors (see below), whose sum is σ = 74200827840. Its totient is φ = 11130124140.

The previous prime is 33390372439. The next prime is 33390372511. The reversal of 33390372474 is 47427309333.

It is a super-2 number, since 2×33390372474² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 309170062 + ... + 309170169.

It is an arithmetic number, because the mean of its divisors is an integer number (4637551740).

Almost surely, 2^33390372474 is an apocalyptic number.

33390372474 is an abundant number, since it is smaller than the sum of its proper divisors (40810455366).

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

33390372474 is a wasteful number, since it uses less digits than its factorization.

33390372474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618340242 (or 618340236 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 45.

The spelling of 33390372474 in words is "thirty-three billion, three hundred ninety million, three hundred seventy-two thousand, four hundred seventy-four".