526154486340 has 144 divisors (see below), whose sum is σ = 1714917960000. Its totient is φ = 120182646528.

The previous prime is 526154486339. The next prime is 526154486401. The reversal of 526154486340 is 43684451625.

It is a self number, because there is not a number n which added to its sum of digits gives 526154486340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4347366 + ... + 4466754.

It is an arithmetic number, because the mean of its divisors is an integer number (11909152500).

Almost surely, 2^526154486340 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 526154486340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (857458980000).

526154486340 is an abundant number, since it is smaller than the sum of its proper divisors (1188763473660).

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

526154486340 is a wasteful number, since it uses less digits than its factorization.

526154486340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120914 (or 120905 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 526154486340 in words is "five hundred twenty-six billion, one hundred fifty-four million, four hundred eighty-six thousand, three hundred forty".