65265282400 has 36 divisors (see below), whose sum is σ = 159328872612. Its totient is φ = 26106112640.

The previous prime is 65265282389. The next prime is 65265282409. The reversal of 65265282400 is 428256256.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65265282409) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 40790002 + ... + 40791601.

It is an arithmetic number, because the mean of its divisors is an integer number (4425802017).

Almost surely, 2^65265282400 is an apocalyptic number.

It is an amenable number.

65265282400 is an abundant number, since it is smaller than the sum of its proper divisors (94063590212).

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

65265282400 is a wasteful number, since it uses less digits than its factorization.

65265282400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81581623 (or 81581610 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 65265282400 in words is "sixty-five billion, two hundred sixty-five million, two hundred eighty-two thousand, four hundred".