968571540 has 96 divisors (see below), whose sum is σ = 3018677760. Its totient is φ = 257827968.

The previous prime is 968571511. The next prime is 968571547. The reversal of 968571540 is 45175869.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968571547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394597 + ... + 397043.

It is an arithmetic number, because the mean of its divisors is an integer number (31444560).

Almost surely, 2^968571540 is an apocalyptic number.

968571540 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 968571540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509338880).

968571540 is an abundant number, since it is smaller than the sum of its proper divisors (2050106220).

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

968571540 is a wasteful number, since it uses less digits than its factorization.

968571540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198 (or 3190 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 968571540 is about 31121.8820125005. The cubic root of 968571540 is about 989.4121395200.

It can be divided in two parts, 9685 and 71540, that added together give a square (81225 = 285²).

The spelling of 968571540 in words is "nine hundred sixty-eight million, five hundred seventy-one thousand, five hundred forty".