403402020401 has 8 divisors (see below), whose sum is σ = 403955451744. Its totient is φ = 402848913600.

The previous prime is 403402020397. The next prime is 403402020443. The reversal of 403402020401 is 104020204304.

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 403402020401 - 2² = 403402020397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403402020001) 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, 2460866 + ... + 2619668.

It is an arithmetic number, because the mean of its divisors is an integer number (50494431468).

Almost surely, 2^403402020401 is an apocalyptic number.

It is an amenable number.

403402020401 is a deficient number, since it is larger than the sum of its proper divisors (553431343).

403402020401 is a wasteful number, since it uses less digits than its factorization.

403402020401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162271.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 403402020401 its reverse (104020204304), we get a palindrome (507422224705).

The spelling of 403402020401 in words is "four hundred three billion, four hundred two million, twenty thousand, four hundred one".