40031213004 has 18 divisors (see below), whose sum is σ = 101190010740. Its totient is φ = 13343737656.

The previous prime is 40031212999. The next prime is 40031213023.

40031213004 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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, 555989034 + ... + 555989105.

Almost surely, 2^40031213004 is an apocalyptic number.

It is an amenable number.

40031213004 is an abundant number, since it is smaller than the sum of its proper divisors (61158797736).

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

40031213004 is a wasteful number, since it uses less digits than its factorization.

40031213004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111978149 (or 1111978144 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The spelling of 40031213004 in words is "forty billion, thirty-one million, two hundred thirteen thousand, four".