1087483840 has 56 divisors (see below), whose sum is σ = 2605582800. Its totient is φ = 432304128.

The previous prime is 1087483763. The next prime is 1087483841. The reversal of 1087483840 is 483847801.

It is a super-2 number, since 2×1087483840² = 2365242204522291200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087483841) 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, 41736 + ... + 62584.

Almost surely, 2^1087483840 is an apocalyptic number.

1087483840 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 1087483840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1302791400).

1087483840 is an abundant number, since it is smaller than the sum of its proper divisors (1518098960).

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

1087483840 is a wasteful number, since it uses less digits than its factorization.

1087483840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21029 (or 21019 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 1087483840 is about 32977.0198774844. The cubic root of 1087483840 is about 1028.3499643712.

The spelling of 1087483840 in words is "one billion, eighty-seven million, four hundred eighty-three thousand, eight hundred forty".