426540449 has 8 divisors (see below), whose sum is σ = 434911680. Its totient is φ = 418181296.

The previous prime is 426540431. The next prime is 426540467. The reversal of 426540449 is 944045624.

It is an interprime number because it is at equal distance from previous prime (426540431) and next prime (426540467).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426540449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426540409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106094 + ... + 110040.

It is an arithmetic number, because the mean of its divisors is an integer number (54363960).

Almost surely, 2^426540449 is an apocalyptic number.

It is an amenable number.

426540449 is a deficient number, since it is larger than the sum of its proper divisors (8371231).

426540449 is a wasteful number, since it uses less digits than its factorization.

426540449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6039.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 426540449 is about 20652.8557105307. The cubic root of 426540449 is about 752.7545811761.

The spelling of 426540449 in words is "four hundred twenty-six million, five hundred forty thousand, four hundred forty-nine".