1807489336040 has 96 divisors (see below), whose sum is σ = 4323896506080. Its totient is φ = 679876420608.

The previous prime is 1807489336027. The next prime is 1807489336049. The reversal of 1807489336040 is 406339847081.

It is a Cunningham number, because it is equal to 1344429²-1.

It is not an unprimeable number, because it can be changed into a prime (1807489336049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13377059 + ... + 13511501.

It is an arithmetic number, because the mean of its divisors is an integer number (45040588605).

Almost surely, 2^{1807489336040} is an apocalyptic number.

1807489336040 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 1807489336040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2161948253040).

1807489336040 is an abundant number, since it is smaller than the sum of its proper divisors (2516407170040).

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

1807489336040 is a wasteful number, since it uses less digits than its factorization.

1807489336040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135651 (or 135630 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 1807489336040 in words is "one trillion, eight hundred seven billion, four hundred eighty-nine million, three hundred thirty-six thousand, forty".