1208368040 has 64 divisors (see below), whose sum is σ = 2995470720. Its totient is φ = 435040000.

The previous prime is 1208368037. The next prime is 1208368081. The reversal of 1208368040 is 408638021.

It is a junction number, because it is equal to n+sod(n) for n = 1208367988 and 1208368006.

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, 30845 + ... + 58035.

It is an arithmetic number, because the mean of its divisors is an integer number (46804230).

Almost surely, 2^1208368040 is an apocalyptic number.

1208368040 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 1208368040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497735360).

1208368040 is an abundant number, since it is smaller than the sum of its proper divisors (1787102680).

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

1208368040 is a wasteful number, since it uses less digits than its factorization.

1208368040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27314 (or 27310 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1208368040 is about 34761.5885712952. The cubic root of 1208368040 is about 1065.1229522944.

The spelling of 1208368040 in words is "one billion, two hundred eight million, three hundred sixty-eight thousand, forty".