64040130 has 96 divisors (see below), whose sum is σ = 207612288. Its totient is φ = 13305600.

The previous prime is 64040117. The next prime is 64040159. The reversal of 64040130 is 3104046.

It is a super-2 number, since 2×64040130² = 8202276500833800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2310 + ... + 11550.

It is an arithmetic number, because the mean of its divisors is an integer number (2162628).

Almost surely, 2^64040130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64040130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103806144).

64040130 is an abundant number, since it is smaller than the sum of its proper divisors (143572158).

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

64040130 is a wasteful number, since it uses less digits than its factorization.

64040130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9272 (or 9269 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 64040130 is about 8002.5077319550. The cubic root of 64040130 is about 400.0835866986.

Adding to 64040130 its reverse (3104046), we get a palindrome (67144176).

The spelling of 64040130 in words is "sixty-four million, forty thousand, one hundred thirty".