4320642450 has 48 divisors (see below), whose sum is σ = 10742883840. Its totient is φ = 1149193920.

The previous prime is 4320642433. The next prime is 4320642481. The reversal of 4320642450 is 542460234.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 21327 + ... + 95373.

It is an arithmetic number, because the mean of its divisors is an integer number (223810080).

Almost surely, 2^4320642450 is an apocalyptic number.

4320642450 is an abundant number, since it is smaller than the sum of its proper divisors (6422241390).

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

4320642450 is a wasteful number, since it uses less digits than its factorization.

4320642450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74451 (or 74446 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 4320642450 is about 65731.5940016671. The cubic root of 4320642450 is about 1628.7313010291.

The spelling of 4320642450 in words is "four billion, three hundred twenty million, six hundred forty-two thousand, four hundred fifty".