641410251550 has 24 divisors (see below), whose sum is σ = 1204835186952. Its totient is φ = 254023860000.

The previous prime is 641410251539. The next prime is 641410251553. The reversal of 641410251550 is 55152014146.

It is a super-2 number, since 2×641410251550² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641410251553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63500916 + ... + 63511015.

It is an arithmetic number, because the mean of its divisors is an integer number (50201466123).

Almost surely, 2^641410251550 is an apocalyptic number.

641410251550 is a deficient number, since it is larger than the sum of its proper divisors (563424935402).

641410251550 is a wasteful number, since it uses less digits than its factorization.

641410251550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127012044 (or 127012039 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 641410251550 its reverse (55152014146), we get a palindrome (696562265696).

The spelling of 641410251550 in words is "six hundred forty-one billion, four hundred ten million, two hundred fifty-one thousand, five hundred fifty".