64230621260 has 48 divisors (see below), whose sum is σ = 146617654176. Its totient is φ = 23494267392.

The previous prime is 64230621253. The next prime is 64230621289. The reversal of 64230621260 is 6212603246.

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, 1126577 + ... + 1182216.

It is an arithmetic number, because the mean of its divisors is an integer number (3054534462).

Almost surely, 2^64230621260 is an apocalyptic number.

It is an amenable number.

64230621260 is an abundant number, since it is smaller than the sum of its proper divisors (82387032916).

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

64230621260 is a wasteful number, since it uses less digits than its factorization.

64230621260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308922 (or 2308920 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 64230621260 in words is "sixty-four billion, two hundred thirty million, six hundred twenty-one thousand, two hundred sixty".