40263532 has 12 divisors (see below), whose sum is σ = 71454096. Its totient is φ = 19848080.

The previous prime is 40263529. The next prime is 40263539. The reversal of 40263532 is 23536204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40263497 and 40263506.

It is not an unprimeable number, because it can be changed into a prime (40263539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70603 + ... + 71170.

It is an arithmetic number, because the mean of its divisors is an integer number (5954508).

Almost surely, 2^40263532 is an apocalyptic number.

It is an amenable number.

40263532 is a deficient number, since it is larger than the sum of its proper divisors (31190564).

40263532 is a wasteful number, since it uses less digits than its factorization.

40263532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141848 (or 141846 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 40263532 is about 6345.3551516050. The cubic root of 40263532 is about 342.7446015880.

Adding to 40263532 its reverse (23536204), we get a palindrome (63799736).

The spelling of 40263532 in words is "forty million, two hundred sixty-three thousand, five hundred thirty-two".