4353889961040 has 80 divisors (see below), whose sum is σ = 13594160126400. Its totient is φ = 1152684527616.

The previous prime is 4353889961021. The next prime is 4353889961041. The reversal of 4353889961040 is 401699883534.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4353889961041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65222785 + ... + 65289504.

It is an arithmetic number, because the mean of its divisors is an integer number (169927001580).

Almost surely, 2^{4353889961040} is an apocalyptic number.

4353889961040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4353889961040 is an abundant number, since it is smaller than the sum of its proper divisors (9240270165360).

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

4353889961040 is a wasteful number, since it uses less digits than its factorization.

4353889961040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130512444 (or 130512438 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 4353889961040 in words is "four trillion, three hundred fifty-three billion, eight hundred eighty-nine million, nine hundred sixty-one thousand, forty".