210401001340 has 24 divisors (see below), whose sum is σ = 452618741232. Its totient is φ = 82107707520.

The previous prime is 210401001337. The next prime is 210401001341. The reversal of 210401001340 is 43100104012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210401001341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128292474 + ... + 128294113.

It is an arithmetic number, because the mean of its divisors is an integer number (18859114218).

Almost surely, 2^210401001340 is an apocalyptic number.

210401001340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210401001340 is an abundant number, since it is smaller than the sum of its proper divisors (242217739892).

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

210401001340 is a wasteful number, since it uses less digits than its factorization.

210401001340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256586637 (or 256586635 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210401001340 its reverse (43100104012), we get a palindrome (253501105352).

The spelling of 210401001340 in words is "two hundred ten billion, four hundred one million, one thousand, three hundred forty".