9764425440 has 576 divisors, whose sum is σ = 42083338752. Its totient is φ = 2002636800.

The previous prime is 9764425427. The next prime is 9764425457. The reversal of 9764425440 is 445244679.

9764425440 is a `hidden beast` number, since 9 + 7 + 64 + 42 + 544 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9202510 + ... + 9203570.

It is an arithmetic number, because the mean of its divisors is an integer number (73061352).

Almost surely, 2^9764425440 is an apocalyptic number.

9764425440 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 9764425440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21041669376).

9764425440 is an abundant number, since it is smaller than the sum of its proper divisors (32318913312).

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

9764425440 is a wasteful number, since it uses less digits than its factorization.

9764425440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The square root of 9764425440 is about 98815.1073470044. The cubic root of 9764425440 is about 2137.3824110957.

The spelling of 9764425440 in words is "nine billion, seven hundred sixty-four million, four hundred twenty-five thousand, four hundred forty".