268626801554 has 32 divisors (see below), whose sum is σ = 436006665216. Its totient is φ = 123652488960.

The previous prime is 268626801539. The next prime is 268626801613. The reversal of 268626801554 is 455108626862.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 268626801496 and 268626801505.

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, 371279 + ... + 821645.

It is an arithmetic number, because the mean of its divisors is an integer number (13625208288).

Almost surely, 2^268626801554 is an apocalyptic number.

268626801554 is a deficient number, since it is larger than the sum of its proper divisors (167379863662).

268626801554 is a wasteful number, since it uses less digits than its factorization.

268626801554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450770.

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 268626801554 in words is "two hundred sixty-eight billion, six hundred twenty-six million, eight hundred one thousand, five hundred fifty-four".