201587927040 has 480 divisors, whose sum is σ = 754040327040. Its totient is φ = 51414663168.

The previous prime is 201587927039. The next prime is 201587927053. The reversal of 201587927040 is 40729785102.

It is a happy number.

201587927040 is a `hidden beast` number, since 2 + 0 + 1 + 587 + 9 + 27 + 0 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19071837 + ... + 19082403.

It is an arithmetic number, because the mean of its divisors is an integer number (1570917348).

Almost surely, 2^201587927040 is an apocalyptic number.

201587927040 is a gapful number since it is divisible by the number (20) 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 201587927040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377020163520).

201587927040 is an abundant number, since it is smaller than the sum of its proper divisors (552452400000).

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

201587927040 is a wasteful number, since it uses less digits than its factorization.

201587927040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10629 (or 10600 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 201587927040 in words is "two hundred one billion, five hundred eighty-seven million, nine hundred twenty-seven thousand, forty".