641212950288 has 40 divisors (see below), whose sum is σ = 1656524852608. Its totient is φ = 213730157952.

The previous prime is 641212950277. The next prime is 641212950293. The reversal of 641212950288 is 882059212146.

It is a super-2 number, since 2×641212950288² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245945 + ... + 1683687.

Almost surely, 2^641212950288 is an apocalyptic number.

It is an amenable number.

641212950288 is an abundant number, since it is smaller than the sum of its proper divisors (1015311902320).

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

641212950288 is a wasteful number, since it uses less digits than its factorization.

641212950288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468271 (or 468265 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 641212950288 in words is "six hundred forty-one billion, two hundred twelve million, nine hundred fifty thousand, two hundred eighty-eight".