420265498 has 16 divisors (see below), whose sum is σ = 652443624. Its totient is φ = 202890240.

The previous prime is 420265463. The next prime is 420265507. The reversal of 420265498 is 894562024.

It can be written as a sum of positive squares in 4 ways, for example, as 96373489 + 323892009 = 9817^2 + 17997^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 420265498.

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, 18465 + ... + 34372.

Almost surely, 2^420265498 is an apocalyptic number.

420265498 is a deficient number, since it is larger than the sum of its proper divisors (232178126).

420265498 is a wasteful number, since it uses less digits than its factorization.

420265498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52977.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 420265498 is about 20500.3779965151. The cubic root of 420265498 is about 749.0450055339.

It can be divided in two parts, 42026 and 5498, that added together give a square (47524 = 218²).

The spelling of 420265498 in words is "four hundred twenty million, two hundred sixty-five thousand, four hundred ninety-eight".