3630818906442 has 192 divisors, whose sum is σ = 10244596427520. Its totient is φ = 902477832192.

The previous prime is 3630818906261. The next prime is 3630818906489. The reversal of 3630818906442 is 2446098180363.

3630818906442 is a `hidden beast` number, since 3 + 6 + 30 + 81 + 8 + 90 + 6 + 442 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5704308 + ... + 6308784.

It is an arithmetic number, because the mean of its divisors is an integer number (53357273060).

Almost surely, 2^{3630818906442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3630818906442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5122298213760).

3630818906442 is an abundant number, since it is smaller than the sum of its proper divisors (6613777521078).

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

3630818906442 is a wasteful number, since it uses less digits than its factorization.

3630818906442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604717 (or 604714 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 3630818906442 in words is "three trillion, six hundred thirty billion, eight hundred eighteen million, nine hundred six thousand, four hundred forty-two".