40252534 has 16 divisors (see below), whose sum is σ = 69193728. Its totient is φ = 17203752.

The previous prime is 40252519. The next prime is 40252547. The reversal of 40252534 is 43525204.

40252534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40252499 and 40252508.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1609 + ... + 9115.

It is an arithmetic number, because the mean of its divisors is an integer number (4324608).

Almost surely, 2^40252534 is an apocalyptic number.

40252534 is a deficient number, since it is larger than the sum of its proper divisors (28941194).

40252534 is a wasteful number, since it uses less digits than its factorization.

40252534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7899.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 40252534 is about 6344.4884742586. The cubic root of 40252534 is about 342.7133918042.

Adding to 40252534 its reverse (43525204), we get a palindrome (83777738).

The spelling of 40252534 in words is "forty million, two hundred fifty-two thousand, five hundred thirty-four".