65395756740 has 192 divisors, whose sum is σ = 202124740608. Its totient is φ = 15725568000.

The previous prime is 65395756681. The next prime is 65395756747. The reversal of 65395756740 is 4765759356.

65395756740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65395756747) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3183382 + ... + 3203858.

It is an arithmetic number, because the mean of its divisors is an integer number (1052733024).

Almost surely, 2^65395756740 is an apocalyptic number.

65395756740 is a gapful number since it is divisible by the number (60) 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 65395756740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101062370304).

65395756740 is an abundant number, since it is smaller than the sum of its proper divisors (136728983868).

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

65395756740 is a wasteful number, since it uses less digits than its factorization.

65395756740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20638 (or 20636 counting only the distinct ones).

The product of its (nonzero) digits is 23814000, while the sum is 57.

The spelling of 65395756740 in words is "sixty-five billion, three hundred ninety-five million, seven hundred fifty-six thousand, seven hundred forty".