1140654042 has 128 divisors (see below), whose sum is σ = 2985984000. Its totient is φ = 319112640.

The previous prime is 1140654007. The next prime is 1140654043. The reversal of 1140654042 is 2404560411.

1140654042 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 654 + 0 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1140653997 and 1140654015.

It is not an unprimeable number, because it can be changed into a prime (1140654043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 394759 + ... + 397637.

It is an arithmetic number, because the mean of its divisors is an integer number (23328000).

Almost surely, 2^1140654042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140654042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492992000).

1140654042 is an abundant number, since it is smaller than the sum of its proper divisors (1845329958).

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

1140654042 is a wasteful number, since it uses less digits than its factorization.

1140654042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953 (or 2947 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1140654042 is about 33773.5701695868. The cubic root of 1140654042 is about 1044.8436667000.

The spelling of 1140654042 in words is "one billion, one hundred forty million, six hundred fifty-four thousand, forty-two".