40422004002 has 12 divisors (see below), whose sum is σ = 87581008710. Its totient is φ = 13474001328.

The previous prime is 40422004001. The next prime is 40422004087. The reversal of 40422004002 is 20040022404.

40422004002 is a `hidden beast` number, since 40 + 4 + 220 + 0 + 400 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34905822561 + 5516181441 = 186831^2 + 74271^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2245666889 = 40422004002 / (4 + 0 + 4 + 2 + 2 + 0 + 0 + 4 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (40422004001) 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 5 ways as a sum of consecutive naturals, for example, 1122833427 + ... + 1122833462.

Almost surely, 2^40422004002 is an apocalyptic number.

40422004002 is an abundant number, since it is smaller than the sum of its proper divisors (47159004708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40422004002 is a wasteful number, since it uses less digits than its factorization.

40422004002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245666897 (or 2245666894 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 40422004002 its reverse (20040022404), we get a palindrome (60462026406).

The spelling of 40422004002 in words is "forty billion, four hundred twenty-two million, four thousand, two".