4021233042320 has 160 divisors (see below), whose sum is σ = 10199775505920. Its totient is φ = 1465425561600.

The previous prime is 4021233042319. The next prime is 4021233042341. The reversal of 4021233042320 is 232403321204.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 4021233042320.

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, 271202747 + ... + 271217573.

It is an arithmetic number, because the mean of its divisors is an integer number (63748596912).

Almost surely, 2^{4021233042320} is an apocalyptic number.

4021233042320 is a gapful number since it is divisible by the number (40) 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 4021233042320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5099887752960).

4021233042320 is an abundant number, since it is smaller than the sum of its proper divisors (6178542463600).

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

4021233042320 is a wasteful number, since it uses less digits than its factorization.

4021233042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18233 (or 18227 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 4021233042320 its reverse (232403321204), we get a palindrome (4253636363524).

It can be divided in two parts, 402123 and 3042320, that added together give a palindrome (3444443).

The spelling of 4021233042320 in words is "four trillion, twenty-one billion, two hundred thirty-three million, forty-two thousand, three hundred twenty".