1207083440 has 40 divisors (see below), whose sum is σ = 2832236880. Its totient is φ = 478400256.

The previous prime is 1207083413. The next prime is 1207083461. The reversal of 1207083440 is 443807021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1207083440² = 2914100862244467200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60494 + ... + 77933.

It is an arithmetic number, because the mean of its divisors is an integer number (70805922).

Almost surely, 2^1207083440 is an apocalyptic number.

1207083440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1207083440 is an abundant number, since it is smaller than the sum of its proper divisors (1625153440).

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

1207083440 is a wasteful number, since it uses less digits than its factorization.

1207083440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138549 (or 138543 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1207083440 is about 34743.1063665873. The cubic root of 1207083440 is about 1064.7453791146.

The spelling of 1207083440 in words is "one billion, two hundred seven million, eighty-three thousand, four hundred forty".