64126464 has 80 divisors (see below), whose sum is σ = 173238912. Its totient is φ = 21075968.

The previous prime is 64126457. The next prime is 64126477. The reversal of 64126464 is 46462146.

It is a super-2 number, since 2×64126464² = 8224406770286592, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 127237 + ... + 127739.

Almost surely, 2^64126464 is an apocalyptic number.

64126464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64126464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86619456).

64126464 is an abundant number, since it is smaller than the sum of its proper divisors (109112448).

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

64126464 is an equidigital number, since it uses as much as digits as its factorization.

64126464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 591 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 64126464 is about 8007.9000992770. The cubic root of 64126464 is about 400.2632933202.

The spelling of 64126464 in words is "sixty-four million, one hundred twenty-six thousand, four hundred sixty-four".