641054592 has 96 divisors (see below), whose sum is σ = 1849770000. Its totient is φ = 213098496.

The previous prime is 641054591. The next prime is 641054633. The reversal of 641054592 is 295450146.

641054592 is a `hidden beast` number, since 6 + 4 + 10 + 54 + 592 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641054591) 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, 689584 + ... + 690512.

Almost surely, 2^641054592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641054592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924885000).

641054592 is an abundant number, since it is smaller than the sum of its proper divisors (1208715408).

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

641054592 is a wasteful number, since it uses less digits than its factorization.

641054592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 641054592 is about 25319.0559065697. The cubic root of 641054592 is about 862.2469599229.

The spelling of 641054592 in words is "six hundred forty-one million, fifty-four thousand, five hundred ninety-two".