40440332002 has 48 divisors (see below), whose sum is σ = 72546141240. Its totient is φ = 16845760512.

The previous prime is 40440331979. The next prime is 40440332021. The reversal of 40440332002 is 20023304404.

It can be written as a sum of positive squares in 4 ways, for example, as 39976403481 + 463928521 = 199941^2 + 21539^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3870978 + ... + 3881410.

Almost surely, 2^40440332002 is an apocalyptic number.

40440332002 is a deficient number, since it is larger than the sum of its proper divisors (32105809238).

40440332002 is a wasteful number, since it uses less digits than its factorization.

40440332002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11555 (or 11548 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 40440332002 its reverse (20023304404), we get a palindrome (60463636406).

The spelling of 40440332002 in words is "forty billion, four hundred forty million, three hundred thirty-two thousand, two".