201498072630 has 128 divisors (see below), whose sum is σ = 495561369600. Its totient is φ = 52418978304.

The previous prime is 201498072613. The next prime is 201498072649. The reversal of 201498072630 is 36270894102.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 157789552 + ... + 157790828.

It is an arithmetic number, because the mean of its divisors is an integer number (3871573200).

Almost surely, 2^201498072630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201498072630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247780684800).

201498072630 is an abundant number, since it is smaller than the sum of its proper divisors (294063296970).

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

201498072630 is a wasteful number, since it uses less digits than its factorization.

201498072630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 201498072630 in words is "two hundred one billion, four hundred ninety-eight million, seventy-two thousand, six hundred thirty".