201294245592 has 384 divisors, whose sum is σ = 653182133760. Its totient is φ = 55302082560.

The previous prime is 201294245533. The next prime is 201294245599. The reversal of 201294245592 is 295542492102.

201294245592 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 94 + 2 + 4 + 559 + 2 = 666.

It is a super-2 number, since 2×201294245592² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201294245599) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51309343 + ... + 51313265.

It is an arithmetic number, because the mean of its divisors is an integer number (1700995140).

Almost surely, 2^201294245592 is an apocalyptic number.

201294245592 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201294245592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326591066880).

201294245592 is an abundant number, since it is smaller than the sum of its proper divisors (451887888168).

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

201294245592 is a wasteful number, since it uses less digits than its factorization.

201294245592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103 (or 4096 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 201294245592 in words is "two hundred one billion, two hundred ninety-four million, two hundred forty-five thousand, five hundred ninety-two".