40284530 has 72 divisors (see below), whose sum is σ = 86744196. Its totient is φ = 13453440.

The previous prime is 40284529. The next prime is 40284553. The reversal of 40284530 is 3548204.

40284530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 14569489 + 25715041 = 3817^2 + 5071^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 40284530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 204392 + ... + 204588.

Almost surely, 2^40284530 is an apocalyptic number.

40284530 is an abundant number, since it is smaller than the sum of its proper divisors (46459666).

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

40284530 is a wasteful number, since it uses less digits than its factorization.

40284530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40284530 is about 6347.0095320552. The cubic root of 40284530 is about 342.8041732819.

It can be divided in two parts, 4028 and 4530, that added together give a palindrome (8558).

The spelling of 40284530 in words is "forty million, two hundred eighty-four thousand, five hundred thirty".