1140848640 has 144 divisors (see below), whose sum is σ = 3954295800. Its totient is φ = 304201728.

The previous prime is 1140848629. The next prime is 1140848641. The reversal of 1140848640 is 468480411.

1140848640 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 8 + 4 + 8 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 = 1140848595 and 1140848604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140848641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85971 + ... + 98349.

Almost surely, 2^1140848640 is an apocalyptic number.

1140848640 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 1140848640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1977147900).

1140848640 is an abundant number, since it is smaller than the sum of its proper divisors (2813447160).

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

1140848640 is a wasteful number, since it uses less digits than its factorization.

1140848640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12412 (or 12389 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 1140848640 is about 33776.4509680931. The cubic root of 1140848640 is about 1044.9030808369.

The spelling of 1140848640 in words is "one billion, one hundred forty million, eight hundred forty-eight thousand, six hundred forty".