40525402 has 16 divisors (see below), whose sum is σ = 63726912. Its totient is φ = 19291360.

The previous prime is 40525391. The next prime is 40525403. The reversal of 40525402 is 20452504.

It is not an unprimeable number, because it can be changed into a prime (40525403) 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, 8502 + ... + 12382.

It is an arithmetic number, because the mean of its divisors is an integer number (3982932).

Almost surely, 2^40525402 is an apocalyptic number.

40525402 is a deficient number, since it is larger than the sum of its proper divisors (23201510).

40525402 is a wasteful number, since it uses less digits than its factorization.

40525402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 40525402 is about 6365.9564874416. The cubic root of 40525402 is about 343.4860553684.

Adding to 40525402 its reverse (20452504), we get a palindrome (60977906).

The spelling of 40525402 in words is "forty million, five hundred twenty-five thousand, four hundred two".