64628420120 has 32 divisors (see below), whose sum is σ = 158633395920. Its totient is φ = 23501243520.

The previous prime is 64628420113. The next prime is 64628420123. The reversal of 64628420120 is 2102482646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64628420123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73440947 + ... + 73441826.

Almost surely, 2^64628420120 is an apocalyptic number.

It is an amenable number.

64628420120 is an abundant number, since it is smaller than the sum of its proper divisors (94004975800).

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

64628420120 is a wasteful number, since it uses less digits than its factorization.

64628420120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146882795 (or 146882791 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 64628420120 in words is "sixty-four billion, six hundred twenty-eight million, four hundred twenty thousand, one hundred twenty".