1194560640 has 768 divisors, whose sum is σ = 5292967680. Its totient is φ = 241532928.

The previous prime is 1194560623. The next prime is 1194560681. The reversal of 1194560640 is 460654911.

1194560640 is a `hidden beast` number, since 1 + 1 + 9 + 4 + 5 + 6 + 0 + 640 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1194560595 and 1194560604.

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, 22538854 + ... + 22538906.

It is an arithmetic number, because the mean of its divisors is an integer number (6891885).

Almost surely, 2^1194560640 is an apocalyptic number.

1194560640 is a gapful number since it is divisible by the number (10) 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 1194560640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2646483840).

1194560640 is an abundant number, since it is smaller than the sum of its proper divisors (4098407040).

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

1194560640 is a wasteful number, since it uses less digits than its factorization.

1194560640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1194560640 is about 34562.4165821778. The cubic root of 1194560640 is about 1061.0505308368.

The spelling of 1194560640 in words is "one billion, one hundred ninety-four million, five hundred sixty thousand, six hundred forty".