651260351140 has 96 divisors (see below), whose sum is σ = 1655315391744. Its totient is φ = 210110423040.

The previous prime is 651260351117. The next prime is 651260351141. The reversal of 651260351140 is 41153062156.

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 = 651260351096 and 651260351105.

It is not an unprimeable number, because it can be changed into a prime (651260351141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12428395 + ... + 12480685.

It is an arithmetic number, because the mean of its divisors is an integer number (17242868664).

Almost surely, 2^651260351140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651260351140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827657695872).

651260351140 is an abundant number, since it is smaller than the sum of its proper divisors (1004055040604).

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

651260351140 is a wasteful number, since it uses less digits than its factorization.

651260351140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57557 (or 57555 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 651260351140 in words is "six hundred fifty-one billion, two hundred sixty million, three hundred fifty-one thousand, one hundred forty".