424540836 has 18 divisors (see below), whose sum is σ = 1073144982. Its totient is φ = 141513600.

The previous prime is 424540817. The next prime is 424540841. The reversal of 424540836 is 638045424.

424540836 is a `hidden beast` number, since 4 + 245 + 408 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 334670436 + 89870400 = 18294^2 + 9480^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 11792801 = 424540836 / (4 + 2 + 4 + 5 + 4 + 0 + 8 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 424540836.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5896365 + ... + 5896436.

Almost surely, 2^424540836 is an apocalyptic number.

It is an amenable number.

424540836 is an abundant number, since it is smaller than the sum of its proper divisors (648604146).

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

424540836 is a wasteful number, since it uses less digits than its factorization.

424540836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11792811 (or 11792806 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 424540836 is about 20604.3887557967. The cubic root of 424540836 is about 751.5764387993.

The spelling of 424540836 in words is "four hundred twenty-four million, five hundred forty thousand, eight hundred thirty-six".