4021254132 has 48 divisors (see below), whose sum is σ = 10726528512. Its totient is φ = 1148588640.

The previous prime is 4021254119. The next prime is 4021254161. The reversal of 4021254132 is 2314521204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456207 + ... + 464937.

It is an arithmetic number, because the mean of its divisors is an integer number (223469344).

Almost surely, 2^4021254132 is an apocalyptic number.

4021254132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4021254132 is an abundant number, since it is smaller than the sum of its proper divisors (6705274380).

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

4021254132 is a wasteful number, since it uses less digits than its factorization.

4021254132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14228 (or 14226 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4021254132 is about 63413.3592549709. The cubic root of 4021254132 is about 1590.2076561190.

Adding to 4021254132 its reverse (2314521204), we get a palindrome (6335775336).

The spelling of 4021254132 in words is "four billion, twenty-one million, two hundred fifty-four thousand, one hundred thirty-two".