40342532 has 12 divisors (see below), whose sum is σ = 72877056. Its totient is φ = 19520520.

The previous prime is 40342481. The next prime is 40342537. The reversal of 40342532 is 23524304.

It is a junction number, because it is equal to n+sod(n) for n = 40342498 and 40342507.

It is not an unprimeable number, because it can be changed into a prime (40342537) 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, 162548 + ... + 162795.

It is an arithmetic number, because the mean of its divisors is an integer number (6073088).

Almost surely, 2^40342532 is an apocalyptic number.

It is an amenable number.

40342532 is a deficient number, since it is larger than the sum of its proper divisors (32534524).

40342532 is a wasteful number, since it uses less digits than its factorization.

40342532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325378 (or 325376 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40342532 is about 6351.5771269819. The cubic root of 40342532 is about 342.9686184800.

Adding to 40342532 its reverse (23524304), we get a palindrome (63866836).

The spelling of 40342532 in words is "forty million, three hundred forty-two thousand, five hundred thirty-two".