35549994040 has 192 divisors, whose sum is σ = 93133877760. Its totient is φ = 12109178880.

The previous prime is 35549994037. The next prime is 35549994041. The reversal of 35549994040 is 4049994553.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35549994041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33442549 + ... + 33443611.

It is an arithmetic number, because the mean of its divisors is an integer number (485072280).

Almost surely, 2^35549994040 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 35549994040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46566938880).

35549994040 is an abundant number, since it is smaller than the sum of its proper divisors (57583883720).

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

35549994040 is a wasteful number, since it uses less digits than its factorization.

35549994040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 35549994040 in words is "thirty-five billion, five hundred forty-nine million, nine hundred ninety-four thousand, forty".