56261400066426 has 32 divisors (see below), whose sum is σ = 114191137981440. Its totient is φ = 18476760375216.

The previous prime is 56261400066397. The next prime is 56261400066449. The reversal of 56261400066426 is 62466000416265.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126861016 + ... + 127303731.

It is an arithmetic number, because the mean of its divisors is an integer number (3568473061920).

Almost surely, 2^{56261400066426} is an apocalyptic number.

56261400066426 is an abundant number, since it is smaller than the sum of its proper divisors (57929737915014).

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

56261400066426 is a wasteful number, since it uses less digits than its factorization.

56261400066426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254165298.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 56261400066426 in words is "fifty-six trillion, two hundred sixty-one billion, four hundred million, sixty-six thousand, four hundred twenty-six".