40304120004 has 36 divisors (see below), whose sum is σ = 101903606896. Its totient is φ = 13431575088.

The previous prime is 40304119991. The next prime is 40304120053. The reversal of 40304120004 is 40002140304.

It is a tau number, because it is divible by the number of its divisors (36).

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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28767 + ... + 285369.

Almost surely, 2^40304120004 is an apocalyptic number.

It is an amenable number.

40304120004 is an abundant number, since it is smaller than the sum of its proper divisors (61599486892).

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

40304120004 is a wasteful number, since it uses less digits than its factorization.

40304120004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260976 (or 260971 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40304120004 its reverse (40002140304), we get a palindrome (80306260308).

The spelling of 40304120004 in words is "forty billion, three hundred four million, one hundred twenty thousand, four".