13750620740 has 12 divisors (see below), whose sum is σ = 28876303596. Its totient is φ = 5500248288.

The previous prime is 13750620673. The next prime is 13750620781. The reversal of 13750620740 is 4702605731.

It can be written as a sum of positive squares in 2 ways, for example, as 6277709824 + 7472910916 = 79232^2 + 86446^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13750620740.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343765499 + ... + 343765538.

It is an arithmetic number, because the mean of its divisors is an integer number (2406358633).

Almost surely, 2^13750620740 is an apocalyptic number.

13750620740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13750620740 is an abundant number, since it is smaller than the sum of its proper divisors (15125682856).

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

13750620740 is a wasteful number, since it uses less digits than its factorization.

13750620740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687531046 (or 687531044 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 13750620740 in words is "thirteen billion, seven hundred fifty million, six hundred twenty thousand, seven hundred forty".