420451244 has 6 divisors (see below), whose sum is σ = 735789684. Its totient is φ = 210225620.

The previous prime is 420451243. The next prime is 420451261. The reversal of 420451244 is 442154024.

It is a super-2 number, since 2×420451244² = 353558497162295072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420451243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52556402 + ... + 52556409.

It is an arithmetic number, because the mean of its divisors is an integer number (122631614).

Almost surely, 2^420451244 is an apocalyptic number.

It is an amenable number.

420451244 is a deficient number, since it is larger than the sum of its proper divisors (315338440).

420451244 is a wasteful number, since it uses less digits than its factorization.

420451244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105112815 (or 105112813 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 420451244 is about 20504.9078027676. The cubic root of 420451244 is about 749.1553418346.

The spelling of 420451244 in words is "four hundred twenty million, four hundred fifty-one thousand, two hundred forty-four".