201402340 has 24 divisors (see below), whose sum is σ = 424400760. Its totient is φ = 80283648.

The previous prime is 201402307. The next prime is 201402343. The reversal of 201402340 is 43204102.

It can be written as a sum of positive squares in 4 ways, for example, as 128504896 + 72897444 = 11336^2 + 8538^2 .

It is not an unprimeable number, because it can be changed into a prime (201402343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11325 + ... + 23044.

It is an arithmetic number, because the mean of its divisors is an integer number (17683365).

Almost surely, 2^201402340 is an apocalyptic number.

201402340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201402340 is an abundant number, since it is smaller than the sum of its proper divisors (222998420).

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

201402340 is a wasteful number, since it uses less digits than its factorization.

201402340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34671 (or 34669 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 201402340 is about 14191.6292228905. The cubic root of 201402340 is about 586.1671877911.

Adding to 201402340 its reverse (43204102), we get a palindrome (244606442).

The spelling of 201402340 in words is "two hundred one million, four hundred two thousand, three hundred forty".