4021150325444 has 18 divisors (see below), whose sum is σ = 8185913162910. Its totient is φ = 1723350139392.

The previous prime is 4021150325431. The next prime is 4021150325461. The reversal of 4021150325444 is 4445230511204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2076135174400 + 1945015151044 = 1440880^2 + 1394638^2 .

It is a super-2 number, since 2×4021150325444² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10258036349 + ... + 10258036740.

It is an arithmetic number, because the mean of its divisors is an integer number (454772953495).

Almost surely, 2^{4021150325444} is an apocalyptic number.

It is an amenable number.

4021150325444 is an abundant number, since it is smaller than the sum of its proper divisors (4164762837466).

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

4021150325444 is a wasteful number, since it uses less digits than its factorization.

4021150325444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20516073107 (or 20516073098 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 4021150325444 its reverse (4445230511204), we get a palindrome (8466380836648).

The spelling of 4021150325444 in words is "four trillion, twenty-one billion, one hundred fifty million, three hundred twenty-five thousand, four hundred forty-four".