4261543661424 has 40 divisors (see below), whose sum is σ = 12581700334720. Its totient is φ = 1217583903168.

The previous prime is 4261543661387. The next prime is 4261543661467. The reversal of 4261543661424 is 4241663451624.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6341582494 + ... + 6341583165.

It is an arithmetic number, because the mean of its divisors is an integer number (314542508368).

Almost surely, 2^{4261543661424} is an apocalyptic number.

It is an amenable number.

4261543661424 is an abundant number, since it is smaller than the sum of its proper divisors (8320156673296).

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

4261543661424 is a wasteful number, since it uses less digits than its factorization.

4261543661424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12683165677 (or 12683165671 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 48.

The spelling of 4261543661424 in words is "four trillion, two hundred sixty-one billion, five hundred forty-three million, six hundred sixty-one thousand, four hundred twenty-four".