4002014421 has 48 divisors (see below), whose sum is σ = 6523006464. Its totient is φ = 2350689792.

The previous prime is 4002014417. The next prime is 4002014449. The reversal of 4002014421 is 1244102004.

4002014421 is a `hidden beast` number, since 40 + 0 + 201 + 4 + 421 = 666.

It is not a de Polignac number, because 4002014421 - 2² = 4002014417 is a prime.

It is a super-2 number, since 2×4002014421² = 32032238851783930482, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4002014394 and 4002014403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002014491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153295 + ... + 177491.

It is an arithmetic number, because the mean of its divisors is an integer number (135895968).

Almost surely, 2^4002014421 is an apocalyptic number.

It is an amenable number.

4002014421 is a deficient number, since it is larger than the sum of its proper divisors (2520992043).

4002014421 is a wasteful number, since it uses less digits than its factorization.

4002014421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24290 (or 24287 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4002014421 is about 63261.4765951602. The cubic root of 4002014421 is about 1587.6674817493.

Adding to 4002014421 its reverse (1244102004), we get a palindrome (5246116425).

The spelling of 4002014421 in words is "four billion, two million, fourteen thousand, four hundred twenty-one".