65120444 has 24 divisors (see below), whose sum is σ = 117574128. Its totient is φ = 31536000.

The previous prime is 65120441. The next prime is 65120477. The reversal of 65120444 is 44402156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65120441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36272 + ... + 38024.

It is an arithmetic number, because the mean of its divisors is an integer number (4898922).

Almost surely, 2^65120444 is an apocalyptic number.

It is an amenable number.

65120444 is a deficient number, since it is larger than the sum of its proper divisors (52453684).

65120444 is a wasteful number, since it uses less digits than its factorization.

65120444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2043 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 65120444 is about 8069.7239110146. The cubic root of 65120444 is about 402.3207673894.

The spelling of 65120444 in words is "sixty-five million, one hundred twenty thousand, four hundred forty-four".