400040110000 has 50 divisors (see below), whose sum is σ = 968537134532. Its totient is φ = 160016040000.

The previous prime is 400040109967. The next prime is 400040110031. The reversal of 400040110000 is 11040004.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19992006 + ... + 20012005.

Almost surely, 2^400040110000 is an apocalyptic number.

400040110000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400040110000 is an abundant number, since it is smaller than the sum of its proper divisors (568497024532).

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

400040110000 is an equidigital number, since it uses as much as digits as its factorization.

400040110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40004039 (or 40004018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 400040110000 its reverse (11040004), we get a palindrome (400051150004).

The spelling of 400040110000 in words is "four hundred billion, forty million, one hundred ten thousand".