40000004440 has 32 divisors (see below), whose sum is σ = 98181830160. Its totient is φ = 14545456000.

The previous prime is 40000004411. The next prime is 40000004461. The reversal of 40000004440 is 4440000004.

40000004440 is a modest number, since divided by 4440 gives 40 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45454111 + ... + 45454990.

Almost surely, 2^40000004440 is an apocalyptic number.

40000004440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40000004440 is an abundant number, since it is smaller than the sum of its proper divisors (58181825720).

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

40000004440 is a wasteful number, since it uses less digits than its factorization.

40000004440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90909123 (or 90909119 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 40000004440 its reverse (4440000004), we get a palindrome (44440004444).

The spelling of 40000004440 in words is "forty billion, four thousand, four hundred forty".