44120421502 has 8 divisors (see below), whose sum is σ = 67719716856. Its totient is φ = 21547182552.

The previous prime is 44120421491. The next prime is 44120421523. The reversal of 44120421502 is 20512402144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×44120421502² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256513993 + ... + 256514164.

It is an arithmetic number, because the mean of its divisors is an integer number (8464964607).

Almost surely, 2^44120421502 is an apocalyptic number.

44120421502 is a deficient number, since it is larger than the sum of its proper divisors (23599295354).

44120421502 is a wasteful number, since it uses less digits than its factorization.

44120421502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513028202.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 44120421502 its reverse (20512402144), we get a palindrome (64632823646).

The spelling of 44120421502 in words is "forty-four billion, one hundred twenty million, four hundred twenty-one thousand, five hundred two".