420052494 has 16 divisors (see below), whose sum is σ = 884321280. Its totient is φ = 132648120.

The previous prime is 420052481. The next prime is 420052517. The reversal of 420052494 is 494250024.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842222 + ... + 1842449.

It is an arithmetic number, because the mean of its divisors is an integer number (55270080).

Almost surely, 2^420052494 is an apocalyptic number.

420052494 is an abundant number, since it is smaller than the sum of its proper divisors (464268786).

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

420052494 is a wasteful number, since it uses less digits than its factorization.

420052494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684695.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 420052494 is about 20495.1822143644. The cubic root of 420052494 is about 748.9184374909.

The spelling of 420052494 in words is "four hundred twenty million, fifty-two thousand, four hundred ninety-four".