1040342144 has 64 divisors (see below), whose sum is σ = 2150323200. Its totient is φ = 500828160.

The previous prime is 1040342119. The next prime is 1040342153. The reversal of 1040342144 is 4412430401.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947804 + ... + 948900.

It is an arithmetic number, because the mean of its divisors is an integer number (33598800).

Almost surely, 2^1040342144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040342144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075161600).

1040342144 is an abundant number, since it is smaller than the sum of its proper divisors (1109981056).

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

1040342144 is a wasteful number, since it uses less digits than its factorization.

1040342144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1040342144 is about 32254.3352745022. The cubic root of 1040342144 is about 1013.2704962574.

Adding to 1040342144 its reverse (4412430401), we get a palindrome (5452772545).

The spelling of 1040342144 in words is "one billion, forty million, three hundred forty-two thousand, one hundred forty-four".