64149026828480 has 224 divisors, whose sum is σ = 181070757918720. Its totient is φ = 21386308608000.

The previous prime is 64149026828437. The next prime is 64149026828501. The reversal of 64149026828480 is 8482862094146.

It is a super-2 number, since 2×64149026828480² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13397141 + ... + 17543700.

Almost surely, 2^{64149026828480} is an apocalyptic number.

It is an amenable number.

64149026828480 is an abundant number, since it is smaller than the sum of its proper divisors (116921731090240).

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

64149026828480 is a wasteful number, since it uses less digits than its factorization.

64149026828480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30940919 (or 30940909 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 62.

The spelling of 64149026828480 in words is "sixty-four trillion, one hundred forty-nine billion, twenty-six million, eight hundred twenty-eight thousand, four hundred eighty".