4040521432 has 8 divisors (see below), whose sum is σ = 7575977700. Its totient is φ = 2020260712.

The previous prime is 4040521421. The next prime is 4040521447. The reversal of 4040521432 is 2341250404.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 4040521397 and 4040521406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252532582 + ... + 252532597.

Almost surely, 2^4040521432 is an apocalyptic number.

It is an amenable number.

4040521432 is a deficient number, since it is larger than the sum of its proper divisors (3535456268).

4040521432 is a wasteful number, since it uses less digits than its factorization.

4040521432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505065185 (or 505065181 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4040521432 is about 63565.0960197497. The cubic root of 4040521432 is about 1592.7433661718.

Adding to 4040521432 its reverse (2341250404), we get a palindrome (6381771836).

The spelling of 4040521432 in words is "four billion, forty million, five hundred twenty-one thousand, four hundred thirty-two".