403240313331420 has 96 divisors (see below), whose sum is σ = 1195770830216256. Its totient is φ = 101181547315200.

The previous prime is 403240313331413. The next prime is 403240313331433. The reversal of 403240313331420 is 24133313042304.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42282721 + ... + 50934360.

It is an arithmetic number, because the mean of its divisors is an integer number (12455946148086).

Almost surely, 2^{403240313331420} is an apocalyptic number.

It is an amenable number.

403240313331420 is an abundant number, since it is smaller than the sum of its proper divisors (792530516884836).

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

403240313331420 is a wasteful number, since it uses less digits than its factorization.

403240313331420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93221351 (or 93221349 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 403240313331420 its reverse (24133313042304), we get a palindrome (427373626373724).

The spelling of 403240313331420 in words is "four hundred three trillion, two hundred forty billion, three hundred thirteen million, three hundred thirty-one thousand, four hundred twenty".