65274125439744 has 1152 divisors, whose sum is σ = 224765447961600. Its totient is φ = 18504182661120.

The previous prime is 65274125439709. The next prime is 65274125439767. The reversal of 65274125439744 is 44793452147256.

65274125439744 is a `hidden beast` number, since 6 + 5 + 2 + 7 + 4 + 12 + 543 + 9 + 74 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a super-2 number, since 2×65274125439744² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 59829628639 + ... + 59829629729.

It is an arithmetic number, because the mean of its divisors is an integer number (195108895800).

Almost surely, 2^{65274125439744} is an apocalyptic number.

65274125439744 is a gapful number since it is divisible by the number (64) 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 65274125439744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112382723980800).

65274125439744 is an abundant number, since it is smaller than the sum of its proper divisors (159491322521856).

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

65274125439744 is a wasteful number, since it uses less digits than its factorization.

65274125439744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938 (or 1918 counting only the distinct ones).

The product of its digits is 203212800, while the sum is 63.

The spelling of 65274125439744 in words is "sixty-five trillion, two hundred seventy-four billion, one hundred twenty-five million, four hundred thirty-nine thousand, seven hundred forty-four".