1040555442 has 8 divisors (see below), whose sum is σ = 2081110896. Its totient is φ = 346851812.

The previous prime is 1040555437. The next prime is 1040555449. The reversal of 1040555442 is 2445550401.

It is a sphenic number, since it is the product of 3 distinct primes.

1040555442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1040555449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86712948 + ... + 86712959.

It is an arithmetic number, because the mean of its divisors is an integer number (260138862).

Almost surely, 2^1040555442 is an apocalyptic number.

1040555442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1040555442 is a wasteful number, since it uses less digits than its factorization.

1040555442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173425912.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 1040555442 is about 32257.6416062923. The cubic root of 1040555442 is about 1013.3397407211.

The spelling of 1040555442 in words is "one billion, forty million, five hundred fifty-five thousand, four hundred forty-two".