33890033838 has 32 divisors (see below), whose sum is σ = 70088002560. Its totient is φ = 10913287680.

The previous prime is 33890033819. The next prime is 33890033861. The reversal of 33890033838 is 83833009833.

It is a super-2 number, since 2×33890033838² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50568 + ... + 265211.

It is an arithmetic number, because the mean of its divisors is an integer number (2190250080).

Almost surely, 2^33890033838 is an apocalyptic number.

33890033838 is an abundant number, since it is smaller than the sum of its proper divisors (36197968722).

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

33890033838 is a wasteful number, since it uses less digits than its factorization.

33890033838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316392.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 33890033838 in words is "thirty-three billion, eight hundred ninety million, thirty-three thousand, eight hundred thirty-eight".