64265540898 has 32 divisors (see below), whose sum is σ = 141363161856. Its totient is φ = 19353287808.

The previous prime is 64265540869. The next prime is 64265540903. The reversal of 64265540898 is 89804556246.

It is a happy number.

64265540898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8761411 + ... + 8768742.

It is an arithmetic number, because the mean of its divisors is an integer number (4417598808).

Almost surely, 2^64265540898 is an apocalyptic number.

64265540898 is an abundant number, since it is smaller than the sum of its proper divisors (77097620958).

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

64265540898 is a wasteful number, since it uses less digits than its factorization.

64265540898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17530218.

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 64265540898 in words is "sixty-four billion, two hundred sixty-five million, five hundred forty thousand, eight hundred ninety-eight".