321040454 has 32 divisors (see below), whose sum is σ = 591168000. Its totient is φ = 130341960.

The previous prime is 321040441. The next prime is 321040477. The reversal of 321040454 is 454040123.

It is a super-2 number, since 2×321040454² = 206133946209052232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719 + ... + 25349.

It is an arithmetic number, because the mean of its divisors is an integer number (18474000).

Almost surely, 2^321040454 is an apocalyptic number.

321040454 is a deficient number, since it is larger than the sum of its proper divisors (270127546).

321040454 is a wasteful number, since it uses less digits than its factorization.

321040454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24673 (or 24659 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 321040454 is about 17917.6017926507. The cubic root of 321040454 is about 684.7308897265.

Adding to 321040454 its reverse (454040123), we get a palindrome (775080577).

The spelling of 321040454 in words is "three hundred twenty-one million, forty thousand, four hundred fifty-four".