2503661740 has 48 divisors (see below), whose sum is σ = 5580507744. Its totient is φ = 940262400.

The previous prime is 2503661731. The next prime is 2503661747. The reversal of 2503661740 is 471663052.

It is a happy number.

2503661740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 2503661696 and 2503661705.

It is not an unprimeable number, because it can be changed into a prime (2503661747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134395 + ... + 151885.

It is an arithmetic number, because the mean of its divisors is an integer number (116260578).

Almost surely, 2^2503661740 is an apocalyptic number.

2503661740 is a gapful number since it is divisible by the number (20) 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 2503661740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2790253872).

2503661740 is an abundant number, since it is smaller than the sum of its proper divisors (3076846004).

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

2503661740 is a wasteful number, since it uses less digits than its factorization.

2503661740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17938 (or 17936 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2503661740 is about 50036.6040014708. The cubic root of 2503661740 is about 1357.8711178128.

The spelling of 2503661740 in words is "two billion, five hundred three million, six hundred sixty-one thousand, seven hundred forty".