2538335289040 has 80 divisors (see below), whose sum is σ = 6287088225600. Its totient is φ = 950306328576.

The previous prime is 2538335288981. The next prime is 2538335289047. The reversal of 2538335289040 is 409825338352.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538335289047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9933825 + ... + 10186144.

It is an arithmetic number, because the mean of its divisors is an integer number (78588602820).

Almost surely, 2^{2538335289040} is an apocalyptic number.

2538335289040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538335289040 is an abundant number, since it is smaller than the sum of its proper divisors (3748752936560).

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

2538335289040 is a wasteful number, since it uses less digits than its factorization.

2538335289040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20120084 (or 20120078 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 2538335289040 in words is "two trillion, five hundred thirty-eight billion, three hundred thirty-five million, two hundred eighty-nine thousand, forty".