4050435690 has 192 divisors, whose sum is σ = 12363466752. Its totient is φ = 900950400.

The previous prime is 4050435661. The next prime is 4050435707. The reversal of 4050435690 is 965340504.

It is a happy number.

4050435690 is a `hidden beast` number, since 4 + 0 + 50 + 43 + 569 + 0 = 666.

It is a super-2 number, since 2×4050435690² = 32812058557651552200, which contains 22 as substring.

It is a Curzon number.

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 95 ways as a sum of consecutive naturals, for example, 3712045 + ... + 3713135.

It is an arithmetic number, because the mean of its divisors is an integer number (64393056).

Almost surely, 2^4050435690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4050435690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6181733376).

4050435690 is an abundant number, since it is smaller than the sum of its proper divisors (8313031062).

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

4050435690 is a wasteful number, since it uses less digits than its factorization.

4050435690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 4050435690 is about 63643.0333186595. The cubic root of 4050435690 is about 1594.0450109481.

The spelling of 4050435690 in words is "four billion, fifty million, four hundred thirty-five thousand, six hundred ninety".