4001530064 has 40 divisors (see below), whose sum is σ = 9245777280. Its totient is φ = 1640377728.

The previous prime is 4001529977. The next prime is 4001530073. The reversal of 4001530064 is 4600351004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 774119 + ... + 779270.

It is an arithmetic number, because the mean of its divisors is an integer number (231144432).

Almost surely, 2^4001530064 is an apocalyptic number.

It is an amenable number.

4001530064 is an abundant number, since it is smaller than the sum of its proper divisors (5244247216).

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

4001530064 is a wasteful number, since it uses less digits than its factorization.

4001530064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553427 (or 1553421 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4001530064 is about 63257.6482648541. The cubic root of 4001530064 is about 1587.6034282666.

Adding to 4001530064 its reverse (4600351004), we get a palindrome (8601881068).

The spelling of 4001530064 in words is "four billion, one million, five hundred thirty thousand, sixty-four".