426891550 has 24 divisors (see below), whose sum is σ = 807481800. Its totient is φ = 167861280.

The previous prime is 426891541. The next prime is 426891557. The reversal of 426891550 is 55198624.

It is a super-3 number, since 3×426891550³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426891557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69405 + ... + 75304.

It is an arithmetic number, because the mean of its divisors is an integer number (33645075).

Almost surely, 2^426891550 is an apocalyptic number.

426891550 is a deficient number, since it is larger than the sum of its proper divisors (380590250).

426891550 is a wasteful number, since it uses less digits than its factorization.

426891550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144780 (or 144775 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 426891550 is about 20661.3540214575. The cubic root of 426891550 is about 752.9610644484.

The spelling of 426891550 in words is "four hundred twenty-six million, eight hundred ninety-one thousand, five hundred fifty".