8404040040000 has 280 divisors, whose sum is σ = 30311696377248. Its totient is φ = 2037342720000.

The previous prime is 8404040039999. The next prime is 8404040040029. The reversal of 8404040040000 is 400404048.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1863349 + ... + 4503348.

Almost surely, 2^{8404040040000} is an apocalyptic number.

8404040040000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8404040040000 is an abundant number, since it is smaller than the sum of its proper divisors (21907656337248).

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

8404040040000 is a wasteful number, since it uses less digits than its factorization.

8404040040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366743 (or 6366718 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 8404040040000 its reverse (400404048), we get a palindrome (8404440444048).

The spelling of 8404040040000 in words is "eight trillion, four hundred four billion, forty million, forty thousand".