1082534640 has 160 divisors (see below), whose sum is σ = 3673264896. Its totient is φ = 261550080.

The previous prime is 1082534627. The next prime is 1082534669. The reversal of 1082534640 is 464352801.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1142647 + ... + 1143593.

Almost surely, 2^1082534640 is an apocalyptic number.

1082534640 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 1082534640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1836632448).

1082534640 is an abundant number, since it is smaller than the sum of its proper divisors (2590730256).

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

1082534640 is a wasteful number, since it uses less digits than its factorization.

1082534640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1082534640 is about 32901.8941703969. The cubic root of 1082534640 is about 1026.7875656430.

The spelling of 1082534640 in words is "one billion, eighty-two million, five hundred thirty-four thousand, six hundred forty".