65109269340 has 288 divisors, whose sum is σ = 220967248320. Its totient is φ = 16031748096.

The previous prime is 65109269321. The next prime is 65109269383. The reversal of 65109269340 is 4396290156.

65109269340 is a `hidden beast` number, since 6 + 510 + 9 + 2 + 6 + 93 + 40 = 666.

65109269340 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 (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4371426 + ... + 4386294.

It is an arithmetic number, because the mean of its divisors is an integer number (767247390).

Almost surely, 2^65109269340 is an apocalyptic number.

65109269340 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 65109269340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110483624160).

65109269340 is an abundant number, since it is smaller than the sum of its proper divisors (155857978980).

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

65109269340 is a wasteful number, since it uses less digits than its factorization.

65109269340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14963 (or 14949 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 65109269340 in words is "sixty-five billion, one hundred nine million, two hundred sixty-nine thousand, three hundred forty".