1042095840 has 96 divisors (see below), whose sum is σ = 3289489056. Its totient is φ = 277309440.

The previous prime is 1042095839. The next prime is 1042095851. The reversal of 1042095840 is 485902401.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257674 + ... + 261686.

It is an arithmetic number, because the mean of its divisors is an integer number (34265511).

Almost surely, 2^1042095840 is an apocalyptic number.

1042095840 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 1042095840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644744528).

1042095840 is an abundant number, since it is smaller than the sum of its proper divisors (2247393216).

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

1042095840 is a wasteful number, since it uses less digits than its factorization.

1042095840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572 (or 4564 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1042095840 is about 32281.5092583974. The cubic root of 1042095840 is about 1013.8395304887.

The spelling of 1042095840 in words is "one billion, forty-two million, ninety-five thousand, eight hundred forty".