641290383360 has 1664 divisors, whose sum is σ = 2717577216000. Its totient is φ = 141734707200.

The previous prime is 641290383319. The next prime is 641290383373. The reversal of 641290383360 is 63383092146.

It is a super-2 number, since 2×641290383360² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3582627751 + ... + 3582627929.

Almost surely, 2^641290383360 is an apocalyptic number.

641290383360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641290383360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358788608000).

641290383360 is an abundant number, since it is smaller than the sum of its proper divisors (2076286832640).

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

641290383360 is a wasteful number, since it uses less digits than its factorization.

641290383360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 641290383360 in words is "six hundred forty-one billion, two hundred ninety million, three hundred eighty-three thousand, three hundred sixty".