64210250028 has 48 divisors (see below), whose sum is σ = 155458451456. Its totient is φ = 20605639680.

The previous prime is 64210250011. The next prime is 64210250081. The reversal of 64210250028 is 82005201246.

It is a junction number, because it is equal to n+sod(n) for n = 64210249977 and 64210250004.

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, 375376 + ... + 518967.

Almost surely, 2^64210250028 is an apocalyptic number.

It is an amenable number.

64210250028 is an abundant number, since it is smaller than the sum of its proper divisors (91248201428).

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

64210250028 is a wasteful number, since it uses less digits than its factorization.

64210250028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894574 (or 894572 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 64210250028 in words is "sixty-four billion, two hundred ten million, two hundred fifty thousand, twenty-eight".