8534736040 has 64 divisors (see below), whose sum is σ = 20337298560. Its totient is φ = 3216702720.

The previous prime is 8534736029. The next prime is 8534736043. The reversal of 8534736040 is 406374358.

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 = 8534735984 and 8534736002.

It is not an unprimeable number, because it can be changed into a prime (8534736043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7591 + ... + 130870.

It is an arithmetic number, because the mean of its divisors is an integer number (317770290).

Almost surely, 2^8534736040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8534736040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10168649280).

8534736040 is an abundant number, since it is smaller than the sum of its proper divisors (11802562520).

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

8534736040 is a wasteful number, since it uses less digits than its factorization.

8534736040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138562 (or 138558 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 8534736040 is about 92383.6351309040. The cubic root of 8534736040 is about 2043.6037830971.

The spelling of 8534736040 in words is "eight billion, five hundred thirty-four million, seven hundred thirty-six thousand, forty".