201402311240 has 64 divisors (see below), whose sum is σ = 499362494400. Its totient is φ = 72634528512.

The previous prime is 201402311203. The next prime is 201402311251. The reversal of 201402311240 is 42113204102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4481270 + ... + 4525989.

It is an arithmetic number, because the mean of its divisors is an integer number (7802538975).

Almost surely, 2^201402311240 is an apocalyptic number.

201402311240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201402311240 is an abundant number, since it is smaller than the sum of its proper divisors (297960183160).

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

201402311240 is a wasteful number, since it uses less digits than its factorization.

201402311240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9007326 (or 9007322 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201402311240 its reverse (42113204102), we get a palindrome (243515515342).

The spelling of 201402311240 in words is "two hundred one billion, four hundred two million, three hundred eleven thousand, two hundred forty".