40303132042 has 4 divisors (see below), whose sum is σ = 60454698066. Its totient is φ = 20151566020.

The previous prime is 40303132039. The next prime is 40303132087. The reversal of 40303132042 is 24023130304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31289718321 + 9013413721 = 176889^2 + 94939^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10075783009 + ... + 10075783012.

Almost surely, 2^40303132042 is an apocalyptic number.

40303132042 is a deficient number, since it is larger than the sum of its proper divisors (20151566024).

40303132042 is a wasteful number, since it uses less digits than its factorization.

40303132042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20151566023.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 40303132042 its reverse (24023130304), we get a palindrome (64326262346).

The spelling of 40303132042 in words is "forty billion, three hundred three million, one hundred thirty-two thousand, forty-two".