40020403330 has 8 divisors (see below), whose sum is σ = 72036726012. Its totient is φ = 16008161328.

The previous prime is 40020403309. The next prime is 40020403331. The reversal of 40020403330 is 3330402004.

It can be written as a sum of positive squares in 2 ways, for example, as 40020402601 + 729 = 200051^2 + 27^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40020403298 and 40020403307.

It is not an unprimeable number, because it can be changed into a prime (40020403331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001020157 + ... + 2001020176.

Almost surely, 2^40020403330 is an apocalyptic number.

40020403330 is a deficient number, since it is larger than the sum of its proper divisors (32016322682).

40020403330 is a wasteful number, since it uses less digits than its factorization.

40020403330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002040340.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 40020403330 its reverse (3330402004), we get a palindrome (43350805334).

The spelling of 40020403330 in words is "forty billion, twenty million, four hundred three thousand, three hundred thirty".