321158480 has 40 divisors (see below), whose sum is σ = 747472992. Its totient is φ = 128329344.

The previous prime is 321158479. The next prime is 321158491. The reversal of 321158480 is 84851123.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117287 + ... + 119993.

Almost surely, 2^321158480 is an apocalyptic number.

It is an amenable number.

321158480 is an abundant number, since it is smaller than the sum of its proper divisors (426314512).

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

321158480 is a wasteful number, since it uses less digits than its factorization.

321158480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203 (or 4197 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 321158480 is about 17920.8950669323. The cubic root of 321158480 is about 684.8147900007.

The spelling of 321158480 in words is "three hundred twenty-one million, one hundred fifty-eight thousand, four hundred eighty".