459780642 has 24 divisors (see below), whose sum is σ = 1020490380. Its totient is φ = 149521920.

The previous prime is 459780637. The next prime is 459780667. The reversal of 459780642 is 246087954.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 423166041 + 36614601 = 20571^2 + 6051^2 .

It is a super-2 number, since 2×459780642² = 422796477515864328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310767 + ... + 312242.

Almost surely, 2^459780642 is an apocalyptic number.

459780642 is an abundant number, since it is smaller than the sum of its proper divisors (560709738).

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

459780642 is a wasteful number, since it uses less digits than its factorization.

459780642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623058 (or 623055 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 459780642 is about 21442.4961699892. The cubic root of 459780642 is about 771.8215389702.

The spelling of 459780642 in words is "four hundred fifty-nine million, seven hundred eighty thousand, six hundred forty-two".