36257121340 has 96 divisors (see below), whose sum is σ = 86772155904. Its totient is φ = 12596770560.

The previous prime is 36257121319. The next prime is 36257121343. The reversal of 36257121340 is 4312175263.

It is a junction number, because it is equal to n+sod(n) for n = 36257121296 and 36257121305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36257121343) 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, 5041227 + ... + 5048413.

It is an arithmetic number, because the mean of its divisors is an integer number (903876624).

Almost surely, 2^36257121340 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 36257121340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43386077952).

36257121340 is an abundant number, since it is smaller than the sum of its proper divisors (50515034564).

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

36257121340 is a wasteful number, since it uses less digits than its factorization.

36257121340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8227 (or 8225 counting only the distinct ones).

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

The spelling of 36257121340 in words is "thirty-six billion, two hundred fifty-seven million, one hundred twenty-one thousand, three hundred forty".