15763485140 has 72 divisors (see below), whose sum is σ = 35902136088. Its totient is φ = 5811187200.

The previous prime is 15763485113. The next prime is 15763485149. The reversal of 15763485140 is 4158436751.

It can be written as a sum of positive squares in 12 ways, for example, as 10669237264 + 5094247876 = 103292^2 + 71374^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15763485091 and 15763485100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15763485149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2366054 + ... + 2372706.

It is an arithmetic number, because the mean of its divisors is an integer number (498640779).

Almost surely, 2^15763485140 is an apocalyptic number.

15763485140 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 15763485140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17951068044).

15763485140 is an abundant number, since it is smaller than the sum of its proper divisors (20138650948).

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

15763485140 is a wasteful number, since it uses less digits than its factorization.

15763485140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7389 (or 7374 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 15763485140 in words is "fifteen billion, seven hundred sixty-three million, four hundred eighty-five thousand, one hundred forty".