2538568623840 has 48 divisors (see below), whose sum is σ = 7996491166608. Its totient is φ = 676951632896.

The previous prime is 2538568623839. The next prime is 2538568623863. The reversal of 2538568623840 is 483268658352.

It is a happy number.

2538568623840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2538568623840² (a number of 26 digits) contains 22 as substring.

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

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, 2644341837 + ... + 2644342796.

It is an arithmetic number, because the mean of its divisors is an integer number (166593565971).

Almost surely, 2^{2538568623840} is an apocalyptic number.

2538568623840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538568623840 is an abundant number, since it is smaller than the sum of its proper divisors (5457922542768).

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

2538568623840 is a wasteful number, since it uses less digits than its factorization.

2538568623840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288684651 (or 5288684643 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 60.

The spelling of 2538568623840 in words is "two trillion, five hundred thirty-eight billion, five hundred sixty-eight million, six hundred twenty-three thousand, eight hundred forty".