320401401030 has 48 divisors (see below), whose sum is σ = 834487527744. Its totient is φ = 85292282880.

The previous prime is 320401400981. The next prime is 320401401041. The reversal of 320401401030 is 30104104023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 320401400994 and 320401401012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3033006 + ... + 3136865.

It is an arithmetic number, because the mean of its divisors is an integer number (17385156828).

Almost surely, 2^320401401030 is an apocalyptic number.

320401401030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320401401030 is an abundant number, since it is smaller than the sum of its proper divisors (514086126714).

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

320401401030 is a wasteful number, since it uses less digits than its factorization.

320401401030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6170461 (or 6170458 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 320401401030 its reverse (30104104023), we get a palindrome (350505505053).

The spelling of 320401401030 in words is "three hundred twenty billion, four hundred one million, four hundred one thousand, thirty".