40300432232 has 8 divisors (see below), whose sum is σ = 75563310450. Its totient is φ = 20150216112.

The previous prime is 40300432219. The next prime is 40300432259. The reversal of 40300432232 is 23223400304.

It can be written as a sum of positive squares in only one way, i.e., 39238063396 + 1062368836 = 198086^2 + 32594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 40300432198 and 40300432207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2518777007 + ... + 2518777022.

Almost surely, 2^40300432232 is an apocalyptic number.

It is an amenable number.

40300432232 is a deficient number, since it is larger than the sum of its proper divisors (35262878218).

40300432232 is a wasteful number, since it uses less digits than its factorization.

40300432232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037554035 (or 5037554031 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 40300432232 its reverse (23223400304), we get a palindrome (63523832536).

The spelling of 40300432232 in words is "forty billion, three hundred million, four hundred thirty-two thousand, two hundred thirty-two".