426661553036250 has 240 divisors, whose sum is σ = 1348285793437440. Its totient is φ = 95447690064000.

The previous prime is 426661553036221. The next prime is 426661553036263. The reversal of 426661553036250 is 52630355166624.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 53936245 + ... + 61338744.

It is an arithmetic number, because the mean of its divisors is an integer number (5617857472656).

Almost surely, 2^{426661553036250} is an apocalyptic number.

426661553036250 is an abundant number, since it is smaller than the sum of its proper divisors (921624240401190).

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

426661553036250 is a wasteful number, since it uses less digits than its factorization.

426661553036250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115275071 (or 115275053 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 54.

The spelling of 426661553036250 in words is "four hundred twenty-six trillion, six hundred sixty-one billion, five hundred fifty-three million, thirty-six thousand, two hundred fifty".