8000440084840 has 64 divisors (see below), whose sum is σ = 21467019375360. Its totient is φ = 2623746808320.

The previous prime is 8000440084831. The next prime is 8000440084853. The reversal of 8000440084840 is 484800440008.

It is a super-2 number, since 2×8000440084840² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 8000440084793 and 8000440084802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621145741 + ... + 621158620.

It is an arithmetic number, because the mean of its divisors is an integer number (335422177740).

Almost surely, 2^{8000440084840} is an apocalyptic number.

It is an amenable number.

8000440084840 is an abundant number, since it is smaller than the sum of its proper divisors (13466579290520).

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

8000440084840 is a wasteful number, since it uses less digits than its factorization.

8000440084840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242304402 (or 1242304398 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 8000440084840 in words is "eight trillion, four hundred forty million, eighty-four thousand, eight hundred forty".