420452244 has 36 divisors (see below), whose sum is σ = 1067471860. Its totient is φ = 139536000.

The previous prime is 420452239. The next prime is 420452261. The reversal of 420452244 is 442254024.

It can be written as a sum of positive squares in 2 ways, for example, as 368179344 + 52272900 = 19188^2 + 7230^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 17257 + ... + 33744.

Almost surely, 2^420452244 is an apocalyptic number.

It is an amenable number.

420452244 is an abundant number, since it is smaller than the sum of its proper divisors (647019616).

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

420452244 is a wasteful number, since it uses less digits than its factorization.

420452244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51240 (or 51235 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 420452244 is about 20504.9321871593. The cubic root of 420452244 is about 749.1559357638.

The spelling of 420452244 in words is "four hundred twenty million, four hundred fifty-two thousand, two hundred forty-four".