65000040300 has 288 divisors, whose sum is σ = 232800724800. Its totient is φ = 15448043520.

The previous prime is 65000040263. The next prime is 65000040319. The reversal of 65000040300 is 304000056.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 985972 + ... + 1049828.

It is an arithmetic number, because the mean of its divisors is an integer number (808335850).

Almost surely, 2^65000040300 is an apocalyptic number.

65000040300 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 65000040300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116400362400).

65000040300 is an abundant number, since it is smaller than the sum of its proper divisors (167800684500).

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

65000040300 is a wasteful number, since it uses less digits than its factorization.

65000040300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63922 (or 63909 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 65000040300 its reverse (304000056), we get a palindrome (65304040356).

The spelling of 65000040300 in words is "sixty-five billion, forty thousand, three hundred".