4051421032 has 8 divisors (see below), whose sum is σ = 7596414450. Its totient is φ = 2025710512.

The previous prime is 4051421021. The next prime is 4051421039. The reversal of 4051421032 is 2301241504.

It can be written as a sum of positive squares in only one way, i.e., 3955655236 + 95765796 = 62894^2 + 9786^2 .

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 = 4051420994 and 4051421012.

It is not an unprimeable number, because it can be changed into a prime (4051421039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253213807 + ... + 253213822.

Almost surely, 2^4051421032 is an apocalyptic number.

It is an amenable number.

4051421032 is a deficient number, since it is larger than the sum of its proper divisors (3544993418).

4051421032 is a wasteful number, since it uses less digits than its factorization.

4051421032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506427635 (or 506427631 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4051421032 is about 63650.7740094337. The cubic root of 4051421032 is about 1594.1742605952.

Adding to 4051421032 its reverse (2301241504), we get a palindrome (6352662536).

The spelling of 4051421032 in words is "four billion, fifty-one million, four hundred twenty-one thousand, thirty-two".