4000532544 has 56 divisors (see below), whose sum is σ = 11760829920. Its totient is φ = 1333510272.

The previous prime is 4000532539. The next prime is 4000532567. The reversal of 4000532544 is 4452350004.

4000532544 is a `hidden beast` number, since 400 + 0 + 5 + 3 + 254 + 4 = 666.

It is a super-2 number, since 2×4000532544² = 32008521271206223872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 1155834 + ... + 1159289.

It is an arithmetic number, because the mean of its divisors is an integer number (210014820).

Almost surely, 2^4000532544 is an apocalyptic number.

It is an amenable number.

4000532544 is an abundant number, since it is smaller than the sum of its proper divisors (7760297376).

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

4000532544 is a wasteful number, since it uses less digits than its factorization.

4000532544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315144 (or 2315128 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 4000532544 is about 63249.7631932326. The cubic root of 4000532544 is about 1587.4714955842.

Adding to 4000532544 its reverse (4452350004), we get a palindrome (8452882548).

The spelling of 4000532544 in words is "four billion, five hundred thirty-two thousand, five hundred forty-four".