969239040 has 480 divisors, whose sum is σ = 3918499200. Its totient is φ = 200048640.

The previous prime is 969239027. The next prime is 969239041. The reversal of 969239040 is 40932969.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 969238983 and 969239001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969239041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6504886 + ... + 6505034.

It is an arithmetic number, because the mean of its divisors is an integer number (8163540).

Almost surely, 2^969239040 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 969239040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1959249600).

969239040 is an abundant number, since it is smaller than the sum of its proper divisors (2949260160).

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

969239040 is a wasteful number, since it uses less digits than its factorization.

969239040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 969239040 is about 31132.6041313604. The cubic root of 969239040 is about 989.6393748246.

The spelling of 969239040 in words is "nine hundred sixty-nine million, two hundred thirty-nine thousand, forty".