4021021000332 has 432 divisors, whose sum is σ = 12919241811840. Its totient is φ = 1087363243008.

The previous prime is 4021021000303. The next prime is 4021021000363. The reversal of 4021021000332 is 2330001201204.

It is a super-2 number, since 2×4021021000332² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 in 143 ways as a sum of consecutive naturals, for example, 1825246743 + ... + 1825248945.

Almost surely, 2^{4021021000332} is an apocalyptic number.

4021021000332 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4021021000332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6459620905920).

4021021000332 is an abundant number, since it is smaller than the sum of its proper divisors (8898220811508).

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

4021021000332 is a wasteful number, since it uses less digits than its factorization.

4021021000332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272 (or 4251 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 4021021000332 its reverse (2330001201204), we get a palindrome (6351022201536).

The spelling of 4021021000332 in words is "four trillion, twenty-one billion, twenty-one million, three hundred thirty-two", and thus it is an aban number.