1641454504344 has 96 divisors (see below), whose sum is σ = 4614600856320. Its totient is φ = 546636089376.

The previous prime is 1641454504343. The next prime is 1641454504367. The reversal of 1641454504344 is 4434054541461.

It is a happy number.

1641454504344 is a `hidden beast` number, since 1 + 64 + 1 + 4 + 54 + 504 + 34 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1641454504344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641454504343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1669309 + ... + 2463635.

It is an arithmetic number, because the mean of its divisors is an integer number (48068758920).

Almost surely, 2^{1641454504344} 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 1641454504344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2307300428160).

1641454504344 is an abundant number, since it is smaller than the sum of its proper divisors (2973146351976).

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

1641454504344 is a wasteful number, since it uses less digits than its factorization.

1641454504344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795411 (or 795395 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 45.

The spelling of 1641454504344 in words is "one trillion, six hundred forty-one billion, four hundred fifty-four million, five hundred four thousand, three hundred forty-four".