40000345232 has 40 divisors (see below), whose sum is σ = 81795136800. Its totient is φ = 18897484032.

The previous prime is 40000345201. The next prime is 40000345237. The reversal of 40000345232 is 23254300004.

It is a junction number, because it is equal to n+sod(n) for n = 40000345198 and 40000345207.

It is not an unprimeable number, because it can be changed into a prime (40000345237) by changing a digit.

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, 58373 + ... + 288804.

It is an arithmetic number, because the mean of its divisors is an integer number (2044878420).

Almost surely, 2^40000345232 is an apocalyptic number.

It is an amenable number.

40000345232 is an abundant number, since it is smaller than the sum of its proper divisors (41794791568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40000345232 is a wasteful number, since it uses less digits than its factorization.

40000345232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347583 (or 347577 counting only the distinct ones).

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

Adding to 40000345232 its reverse (23254300004), we get a palindrome (63254645236).

The spelling of 40000345232 in words is "forty billion, three hundred forty-five thousand, two hundred thirty-two".