40403632306 has 16 divisors (see below), whose sum is σ = 60989092416. Its totient is φ = 20074017456.

The previous prime is 40403632261. The next prime is 40403632307. The reversal of 40403632306 is 60323630404.

It is a super-3 number, since 3×40403632306³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40403632307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045480 + ... + 1083436.

It is an arithmetic number, because the mean of its divisors is an integer number (3811818276).

Almost surely, 2^40403632306 is an apocalyptic number.

40403632306 is a deficient number, since it is larger than the sum of its proper divisors (20585460110).

40403632306 is a wasteful number, since it uses less digits than its factorization.

40403632306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41313.

The product of its (nonzero) digits is 31104, while the sum is 31.

The spelling of 40403632306 in words is "forty billion, four hundred three million, six hundred thirty-two thousand, three hundred six".