42857464 has 96 divisors (see below), whose sum is σ = 97549200. Its totient is φ = 17487360.

The previous prime is 42857417. The next prime is 42857471. The reversal of 42857464 is 46475824.

It is a happy number.

It is a super-2 number, since 2×42857464² = 3673524441022592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1045284 + ... + 1045324.

Almost surely, 2^42857464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42857464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48774600).

42857464 is an abundant number, since it is smaller than the sum of its proper divisors (54691736).

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

42857464 is a wasteful number, since it uses less digits than its factorization.

42857464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 98 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 42857464 is about 6546.5612347247. The cubic root of 42857464 is about 349.9522764863.

The spelling of 42857464 in words is "forty-two million, eight hundred fifty-seven thousand, four hundred sixty-four".