33494348240 has 40 divisors (see below), whose sum is σ = 77882300928. Its totient is φ = 13396373120.

The previous prime is 33494348213. The next prime is 33494348263. The reversal of 33494348240 is 4284349433.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×33494348240² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33494348191 and 33494348200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207325 + ... + 1234755.

Almost surely, 2^33494348240 is an apocalyptic number.

It is an amenable number.

33494348240 is an abundant number, since it is smaller than the sum of its proper divisors (44387952688).

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

33494348240 is a wasteful number, since it uses less digits than its factorization.

33494348240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42707 (or 42701 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 33494348240 in words is "thirty-three billion, four hundred ninety-four million, three hundred forty-eight thousand, two hundred forty".