40274530 has 16 divisors (see below), whose sum is σ = 76758840. Its totient is φ = 15162112.

The previous prime is 40274527. The next prime is 40274543. The reversal of 40274530 is 3547204.

It can be written as a sum of positive squares in 4 ways, for example, as 25674489 + 14600041 = 5067^2 + 3821^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40274495 and 40274504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118285 + ... + 118624.

Almost surely, 2^40274530 is an apocalyptic number.

40274530 is a deficient number, since it is larger than the sum of its proper divisors (36484310).

40274530 is a wasteful number, since it uses less digits than its factorization.

40274530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236933.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 40274530 is about 6346.2217105928. The cubic root of 40274530 is about 342.7758056891.

It can be divided in two parts, 40274 and 530, that added together give a palindrome (40804).

The spelling of 40274530 in words is "forty million, two hundred seventy-four thousand, five hundred thirty".