420248970 has 48 divisors (see below), whose sum is σ = 1096959240. Its totient is φ = 111624192.

The previous prime is 420248963. The next prime is 420248999. The reversal of 420248970 is 79842024.

It can be written as a sum of positive squares in 4 ways, for example, as 375933321 + 44315649 = 19389^2 + 6657^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14046 + ... + 32214.

Almost surely, 2^420248970 is an apocalyptic number.

420248970 is an abundant number, since it is smaller than the sum of its proper divisors (676710270).

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

420248970 is a wasteful number, since it uses less digits than its factorization.

420248970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18439 (or 18436 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 420248970 is about 20499.9748780334. The cubic root of 420248970 is about 749.0351860443.

The spelling of 420248970 in words is "four hundred twenty million, two hundred forty-eight thousand, nine hundred seventy".