65700037428480 has 2592 divisors, whose sum is σ = 297545354975232. Its totient is φ = 13084183756800.

The previous prime is 65700037428413. The next prime is 65700037428563. The reversal of 65700037428480 is 8482473000756.

65700037428480 is a `hidden beast` number, since 6 + 5 + 70 + 0 + 0 + 3 + 74 + 28 + 480 = 666.

It is a super-2 number, since 2×65700037428480² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 17321389464 + ... + 17321393256.

Almost surely, 2^{65700037428480} is an apocalyptic number.

65700037428480 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 65700037428480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148772677487616).

65700037428480 is an abundant number, since it is smaller than the sum of its proper divisors (231845317546752).

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

65700037428480 is a wasteful number, since it uses less digits than its factorization.

65700037428480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925 (or 3895 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 65700037428480 in words is "sixty-five trillion, seven hundred billion, thirty-seven million, four hundred twenty-eight thousand, four hundred eighty".