1042894144 has 56 divisors (see below), whose sum is σ = 2125541088. Its totient is φ = 507486720.

The previous prime is 1042894141. The next prime is 1042894147. The reversal of 1042894144 is 4414982401.

It is an interprime number because it is at equal distance from previous prime (1042894141) and next prime (1042894147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042894141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443179 + ... + 445525.

Almost surely, 2^1042894144 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 1042894144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1062770544).

1042894144 is an abundant number, since it is smaller than the sum of its proper divisors (1082646944).

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

1042894144 is a wasteful number, since it uses less digits than its factorization.

1042894144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1042894144 is about 32293.8716167635. The cubic root of 1042894144 is about 1014.0983504359.

The spelling of 1042894144 in words is "one billion, forty-two million, eight hundred ninety-four thousand, one hundred forty-four".