201002401240 has 32 divisors (see below), whose sum is σ = 459920754000. Its totient is φ = 79038231424.

The previous prime is 201002401199. The next prime is 201002401253. The reversal of 201002401240 is 42104200102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42582895 + ... + 42587614.

Almost surely, 2^201002401240 is an apocalyptic number.

201002401240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002401240 is an abundant number, since it is smaller than the sum of its proper divisors (258918352760).

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

201002401240 is a wasteful number, since it uses less digits than its factorization.

201002401240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85170579 (or 85170575 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201002401240 its reverse (42104200102), we get a palindrome (243106601342).

The spelling of 201002401240 in words is "two hundred one billion, two million, four hundred one thousand, two hundred forty".