8670040032 has 96 divisors (see below), whose sum is σ = 23049369504. Its totient is φ = 2853273600.

The previous prime is 8670040021. The next prime is 8670040051. The reversal of 8670040032 is 2300400768.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×8670040032² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 5036932 + ... + 5038652.

It is an arithmetic number, because the mean of its divisors is an integer number (240097599).

Almost surely, 2^8670040032 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 8670040032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11524684752).

8670040032 is an abundant number, since it is smaller than the sum of its proper divisors (14379329472).

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

8670040032 is a wasteful number, since it uses less digits than its factorization.

8670040032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 8670040032 is about 93113.0497406244. The cubic root of 8670040032 is about 2054.3465209267.

The spelling of 8670040032 in words is "eight billion, six hundred seventy million, forty thousand, thirty-two".