426671540 has 24 divisors (see below), whose sum is σ = 900265632. Its totient is φ = 169858080.

The previous prime is 426671503. The next prime is 426671561. The reversal of 426671540 is 45176624.

It is a self number, because there is not a number n which added to its sum of digits gives 426671540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46334 + ... + 54773.

It is an arithmetic number, because the mean of its divisors is an integer number (37511068).

Almost surely, 2^426671540 is an apocalyptic number.

It is an amenable number.

426671540 is an abundant number, since it is smaller than the sum of its proper divisors (473594092).

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

426671540 is a wasteful number, since it uses less digits than its factorization.

426671540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101327 (or 101325 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 426671540 is about 20656.0291440538. The cubic root of 426671540 is about 752.8316893328.

The spelling of 426671540 in words is "four hundred twenty-six million, six hundred seventy-one thousand, five hundred forty".