40245532 has 6 divisors (see below), whose sum is σ = 70429688. Its totient is φ = 20122764.

The previous prime is 40245521. The next prime is 40245539. The reversal of 40245532 is 23554204.

It is a junction number, because it is equal to n+sod(n) for n = 40245497 and 40245506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245539) by changing a digit.

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 as a sum of consecutive naturals, namely, 5030688 + ... + 5030695.

Almost surely, 2^40245532 is an apocalyptic number.

It is an amenable number.

40245532 is a deficient number, since it is larger than the sum of its proper divisors (30184156).

40245532 is a wasteful number, since it uses less digits than its factorization.

40245532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061387 (or 10061385 counting only the distinct ones).

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

The square root of 40245532 is about 6343.9366327226. The cubic root of 40245532 is about 342.6935187834.

Adding to 40245532 its reverse (23554204), we get a palindrome (63799736).

The spelling of 40245532 in words is "forty million, two hundred forty-five thousand, five hundred thirty-two".