1082309240 has 64 divisors (see below), whose sum is σ = 2466892800. Its totient is φ = 427327488.

The previous prime is 1082309227. The next prime is 1082309257. The reversal of 1082309240 is 429032801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1305146 + ... + 1305974.

It is an arithmetic number, because the mean of its divisors is an integer number (38545200).

Almost surely, 2^1082309240 is an apocalyptic number.

1082309240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1082309240 is an abundant number, since it is smaller than the sum of its proper divisors (1384583560).

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

1082309240 is a wasteful number, since it uses less digits than its factorization.

1082309240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1082309240 is about 32898.4686573707. The cubic root of 1082309240 is about 1026.7162964895.

The spelling of 1082309240 in words is "one billion, eighty-two million, three hundred nine thousand, two hundred forty".