8015675440 has 40 divisors (see below), whose sum is σ = 19732710240. Its totient is φ = 3017665536.

The previous prime is 8015675431. The next prime is 8015675461. The reversal of 8015675440 is 445765108.

It is a tau number, because it is divible by the number of its divisors (40).

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 = 8015675393 and 8015675402.

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, 2945580 + ... + 2948299.

It is an arithmetic number, because the mean of its divisors is an integer number (493317756).

Almost surely, 2^8015675440 is an apocalyptic number.

8015675440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8015675440 is an abundant number, since it is smaller than the sum of its proper divisors (11717034800).

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

8015675440 is a wasteful number, since it uses less digits than its factorization.

8015675440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893909 (or 5893903 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 8015675440 is about 89530.3045901219. The cubic root of 8015675440 is about 2001.3054344018.

The spelling of 8015675440 in words is "eight billion, fifteen million, six hundred seventy-five thousand, four hundred forty".