420254254 has 64 divisors (see below), whose sum is σ = 771379200. Its totient is φ = 167932800.

The previous prime is 420254249. The next prime is 420254267. The reversal of 420254254 is 452452024.

It is a super-2 number, since 2×420254254² = 353227276010193032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1758267 + ... + 1758505.

It is an arithmetic number, because the mean of its divisors is an integer number (12052800).

Almost surely, 2^420254254 is an apocalyptic number.

420254254 is a deficient number, since it is larger than the sum of its proper divisors (351124946).

420254254 is a wasteful number, since it uses less digits than its factorization.

420254254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 420254254 is about 20500.1037558350. The cubic root of 420254254 is about 749.0383253622.

The spelling of 420254254 in words is "four hundred twenty million, two hundred fifty-four thousand, two hundred fifty-four".