64741057500 has 480 divisors, whose sum is σ = 230128335360. Its totient is φ = 13872000000.

The previous prime is 64741057487. The next prime is 64741057519. The reversal of 64741057500 is 575014746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 257932375 + ... + 257932625.

It is an arithmetic number, because the mean of its divisors is an integer number (479434032).

Almost surely, 2^64741057500 is an apocalyptic number.

64741057500 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 64741057500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115064167680).

64741057500 is an abundant number, since it is smaller than the sum of its proper divisors (165387277860).

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

64741057500 is a wasteful number, since it uses less digits than its factorization.

64741057500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 64741057500 in words is "sixty-four billion, seven hundred forty-one million, fifty-seven thousand, five hundred".