1087442356 has 96 divisors (see below), whose sum is σ = 2581367040. Its totient is φ = 387072000.

The previous prime is 1087442341. The next prime is 1087442359. The reversal of 1087442356 is 6532447801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087442359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403060 + ... + 405748.

It is an arithmetic number, because the mean of its divisors is an integer number (26889240).

Almost surely, 2^1087442356 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 1087442356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290683520).

1087442356 is an abundant number, since it is smaller than the sum of its proper divisors (1493924684).

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

1087442356 is a wasteful number, since it uses less digits than its factorization.

1087442356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2823 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 1087442356 is about 32976.3908880278. The cubic root of 1087442356 is about 1028.3368881271.

Subtracting 1087442356 from its reverse (6532447801), we obtain a palindrome (5445005445).

The spelling of 1087442356 in words is "one billion, eighty-seven million, four hundred forty-two thousand, three hundred fifty-six".