420254460 has 96 divisors (see below), whose sum is σ = 1316051520. Its totient is φ = 111331584.

The previous prime is 420254447. The next prime is 420254489. The reversal of 420254460 is 64452024.

It is a super-2 number, since 2×420254460² = 353227622299783200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 82302 + ... + 87258.

It is an arithmetic number, because the mean of its divisors is an integer number (13708870).

Almost surely, 2^420254460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420254460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658025760).

420254460 is an abundant number, since it is smaller than the sum of its proper divisors (895797060).

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

420254460 is a wasteful number, since it uses less digits than its factorization.

420254460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132 (or 5124 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 420254460 is about 20500.1087801992. The cubic root of 420254460 is about 749.0384477499.

The spelling of 420254460 in words is "four hundred twenty million, two hundred fifty-four thousand, four hundred sixty".