1082405800 has 48 divisors (see below), whose sum is σ = 2876110560. Its totient is φ = 371110080.

The previous prime is 1082405791. The next prime is 1082405801. The reversal of 1082405800 is 85042801.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1082405801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385174 + ... + 387973.

It is an arithmetic number, because the mean of its divisors is an integer number (59918970).

Almost surely, 2^1082405800 is an apocalyptic number.

1082405800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1082405800 is an abundant number, since it is smaller than the sum of its proper divisors (1793704760).

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

1082405800 is a wasteful number, since it uses less digits than its factorization.

1082405800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773170 (or 773161 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1082405800 is about 32899.9361701508. The cubic root of 1082405800 is about 1026.7468289762.

The spelling of 1082405800 in words is "one billion, eighty-two million, four hundred five thousand, eight hundred".