2556534629950 has 48 divisors (see below), whose sum is σ = 5621857454880. Its totient is φ = 846301115520.

The previous prime is 2556534629927. The next prime is 2556534629953. The reversal of 2556534629950 is 599264356552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556534629953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125927517 + ... + 125947816.

It is an arithmetic number, because the mean of its divisors is an integer number (117122030310).

Almost surely, 2^{2556534629950} is an apocalyptic number.

2556534629950 is an abundant number, since it is smaller than the sum of its proper divisors (3065322824930).

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

2556534629950 is a wasteful number, since it uses less digits than its factorization.

2556534629950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251875381 (or 251875376 counting only the distinct ones).

The product of its (nonzero) digits is 87480000, while the sum is 61.

The spelling of 2556534629950 in words is "two trillion, five hundred fifty-six billion, five hundred thirty-four million, six hundred twenty-nine thousand, nine hundred fifty".