64429360 has 40 divisors (see below), whose sum is σ = 150209136. Its totient is φ = 25701120.

The previous prime is 64429349. The next prime is 64429363. The reversal of 64429360 is 6392446.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×64429360² = 8302284860019200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64429363) 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, 36007 + ... + 37753.

Almost surely, 2^64429360 is an apocalyptic number.

It is an amenable number.

64429360 is an abundant number, since it is smaller than the sum of its proper divisors (85779776).

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

64429360 is a wasteful number, since it uses less digits than its factorization.

64429360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 64429360 is about 8026.7901430148. The cubic root of 64429360 is about 400.8925070966.

The spelling of 64429360 in words is "sixty-four million, four hundred twenty-nine thousand, three hundred sixty".