40402303132 has 12 divisors (see below), whose sum is σ = 70730639560. Its totient is φ = 20193548976.

The previous prime is 40402303129. The next prime is 40402303181. The reversal of 40402303132 is 23130320404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888683 + ... + 1909954.

Almost surely, 2^40402303132 is an apocalyptic number.

It is an amenable number.

40402303132 is a deficient number, since it is larger than the sum of its proper divisors (30328336428).

40402303132 is a wasteful number, since it uses less digits than its factorization.

40402303132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801300 (or 3801298 counting only the distinct ones).

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

Adding to 40402303132 its reverse (23130320404), we get a palindrome (63532623536).

The spelling of 40402303132 in words is "forty billion, four hundred two million, three hundred three thousand, one hundred thirty-two".