4021400264 has 32 divisors (see below), whose sum is σ = 8621225280. Its totient is φ = 1722669504.

The previous prime is 4021400249. The next prime is 4021400351. The reversal of 4021400264 is 4620041204.

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, 116759 + ... + 147225.

It is an arithmetic number, because the mean of its divisors is an integer number (269413290).

Almost surely, 2^4021400264 is an apocalyptic number.

It is an amenable number.

4021400264 is an abundant number, since it is smaller than the sum of its proper divisors (4599825016).

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

4021400264 is a wasteful number, since it uses less digits than its factorization.

4021400264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32837 (or 32833 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4021400264 is about 63414.5114622828. The cubic root of 4021400264 is about 1590.2269185517.

Adding to 4021400264 its reverse (4620041204), we get a palindrome (8641441468).

The spelling of 4021400264 in words is "four billion, twenty-one million, four hundred thousand, two hundred sixty-four".