40527290 has 16 divisors (see below), whose sum is σ = 73620360. Its totient is φ = 16061760.

The previous prime is 40527281. The next prime is 40527293. The reversal of 40527290 is 9272504.

It can be written as a sum of positive squares in 4 ways, for example, as 32501401 + 8025889 = 5701^2 + 2833^2 .

It is a super-2 number, since 2×40527290² = 3284922469488200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40527293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17501 + ... + 19680.

Almost surely, 2^40527290 is an apocalyptic number.

40527290 is a deficient number, since it is larger than the sum of its proper divisors (33093070).

40527290 is a wasteful number, since it uses less digits than its factorization.

40527290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37297.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 40527290 is about 6366.1047745069. The cubic root of 40527290 is about 343.4913894023.

Adding to 40527290 its reverse (9272504), we get a palindrome (49799794).

The spelling of 40527290 in words is "forty million, five hundred twenty-seven thousand, two hundred ninety".