44121402 has 32 divisors (see below), whose sum is σ = 105591360. Its totient is φ = 13575600.

The previous prime is 44121379. The next prime is 44121403. The reversal of 44121402 is 20412144.

44121402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×44121402² = 3893396228891208, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (44121403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30724 + ... + 32127.

It is an arithmetic number, because the mean of its divisors is an integer number (3299730).

Almost surely, 2^44121402 is an apocalyptic number.

44121402 is an abundant number, since it is smaller than the sum of its proper divisors (61469958).

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

44121402 is a wasteful number, since it uses less digits than its factorization.

44121402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62875 (or 62869 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 44121402 is about 6642.3942972395. The cubic root of 44121402 is about 353.3592257834.

Adding to 44121402 its reverse (20412144), we get a palindrome (64533546).

The spelling of 44121402 in words is "forty-four million, one hundred twenty-one thousand, four hundred two".