40020424130 has 8 divisors (see below), whose sum is σ = 72036763452. Its totient is φ = 16008169648.

The previous prime is 40020424099. The next prime is 40020424133. The reversal of 40020424130 is 3142402004.

It can be written as a sum of positive squares in 2 ways, for example, as 40004400121 + 16024009 = 200011^2 + 4003^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40020424133) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2001021197 + ... + 2001021216.

Almost surely, 2^40020424130 is an apocalyptic number.

40020424130 is a deficient number, since it is larger than the sum of its proper divisors (32016339322).

40020424130 is a wasteful number, since it uses less digits than its factorization.

40020424130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002042420.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40020424130 its reverse (3142402004), we get a palindrome (43162826134).

The spelling of 40020424130 in words is "forty billion, twenty million, four hundred twenty-four thousand, one hundred thirty".