65890045300 has 18 divisors (see below), whose sum is σ = 142981398518. Its totient is φ = 26356018080.

The previous prime is 65890045267. The next prime is 65890045301. The reversal of 65890045300 is 354009856.

It can be written as a sum of positive squares in 3 ways, for example, as 70090384 + 65819954916 = 8372^2 + 256554^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65890045301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329450127 + ... + 329450326.

Almost surely, 2^65890045300 is an apocalyptic number.

It is an amenable number.

65890045300 is an abundant number, since it is smaller than the sum of its proper divisors (77091353218).

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

65890045300 is a wasteful number, since it uses less digits than its factorization.

65890045300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658900467 (or 658900460 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 65890045300 in words is "sixty-five billion, eight hundred ninety million, forty-five thousand, three hundred".