4012533420 has 96 divisors (see below), whose sum is σ = 12896486400. Its totient is φ = 913123584.

The previous prime is 4012533407. The next prime is 4012533463. The reversal of 4012533420 is 243352104.

It is a super-2 number, since 2×4012533420² = 32200848893233792800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75321 + ... + 117039.

It is an arithmetic number, because the mean of its divisors is an integer number (134338400).

Almost surely, 2^4012533420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4012533420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6448243200).

4012533420 is an abundant number, since it is smaller than the sum of its proper divisors (8883952980).

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

4012533420 is a wasteful number, since it uses less digits than its factorization.

4012533420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41967 (or 41965 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4012533420 is about 63344.5610924884. The cubic root of 4012533420 is about 1589.0572869878.

Adding to 4012533420 its reverse (243352104), we get a palindrome (4255885524).

The spelling of 4012533420 in words is "four billion, twelve million, five hundred thirty-three thousand, four hundred twenty".