21040310401 has 8 divisors (see below), whose sum is σ = 22955699808. Its totient is φ = 19125360000.

The previous prime is 21040310399. The next prime is 21040310419. The reversal of 21040310401 is 10401304012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21040310401 - 2¹ = 21040310399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21040310441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5200 + ... + 205201.

It is an arithmetic number, because the mean of its divisors is an integer number (2869462476).

Almost surely, 2^21040310401 is an apocalyptic number.

It is an amenable number.

21040310401 is a deficient number, since it is larger than the sum of its proper divisors (1915389407).

21040310401 is a wasteful number, since it uses less digits than its factorization.

21040310401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219503.

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

Adding to 21040310401 its reverse (10401304012), we get a palindrome (31441614413).

The spelling of 21040310401 in words is "twenty-one billion, forty million, three hundred ten thousand, four hundred one".