641024442465534 has 32 divisors (see below), whose sum is σ = 1425016196439840. Its totient is φ = 213597198844416.

The previous prime is 641024442465503. The next prime is 641024442465551. The reversal of 641024442465534 is 435564244420146.

It is a happy number.

641024442465534 is a `hidden beast` number, since 6 + 4 + 1 + 0 + 2 + 4 + 4 + 42 + 4 + 65 + 534 = 666.

641024442465534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 2155830817 + ... + 2156128140.

It is an arithmetic number, because the mean of its divisors is an integer number (44531756138745).

Almost surely, 2^{641024442465534} is an apocalyptic number.

641024442465534 is an abundant number, since it is smaller than the sum of its proper divisors (783991753974306).

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

641024442465534 is a wasteful number, since it uses less digits than its factorization.

641024442465534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311961721 (or 4311961715 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 54.

The spelling of 641024442465534 in words is "six hundred forty-one trillion, twenty-four billion, four hundred forty-two million, four hundred sixty-five thousand, five hundred thirty-four".