65148303780 has 576 divisors, whose sum is σ = 242044508160. Its totient is φ = 14500684800.

The previous prime is 65148303769. The next prime is 65148303799. The reversal of 65148303780 is 8730384156.

65148303780 is a `hidden beast` number, since 65 + 1 + 483 + 0 + 37 + 80 = 666.

It is a super-2 number, since 2×65148303780² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 292144749 + ... + 292144971.

It is an arithmetic number, because the mean of its divisors is an integer number (420216160).

Almost surely, 2^65148303780 is an apocalyptic number.

65148303780 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 65148303780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121022254080).

65148303780 is an abundant number, since it is smaller than the sum of its proper divisors (176896204380).

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

65148303780 is a wasteful number, since it uses less digits than its factorization.

65148303780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 65148303780 in words is "sixty-five billion, one hundred forty-eight million, three hundred three thousand, seven hundred eighty".