1082211840 has 400 divisors, whose sum is σ = 4117517712. Its totient is φ = 270729216.

The previous prime is 1082211827. The next prime is 1082211859. The reversal of 1082211840 is 481122801.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3524967 + ... + 3525273.

Almost surely, 2^1082211840 is an apocalyptic number.

1082211840 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 1082211840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2058758856).

1082211840 is an abundant number, since it is smaller than the sum of its proper divisors (3035305872).

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

1082211840 is an equidigital number, since it uses as much as digits as its factorization.

1082211840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 1082211840 is about 32896.9883120021. The cubic root of 1082211840 is about 1026.6854965531.

The spelling of 1082211840 in words is "one billion, eighty-two million, two hundred eleven thousand, eight hundred forty".