153644432026 has 16 divisors (see below), whose sum is σ = 246217318560. Its totient is φ = 71692687440.

The previous prime is 153644432017. The next prime is 153644432057. The reversal of 153644432026 is 620234446351.

It is a super-2 number, since 2×153644432026² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 153644432026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30171145 + ... + 30176236.

It is an arithmetic number, because the mean of its divisors is an integer number (15388582410).

Almost surely, 2^153644432026 is an apocalyptic number.

153644432026 is a deficient number, since it is larger than the sum of its proper divisors (92572886534).

153644432026 is a wasteful number, since it uses less digits than its factorization.

153644432026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60347469.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 153644432026 its reverse (620234446351), we get a palindrome (773878878377).

The spelling of 153644432026 in words is "one hundred fifty-three billion, six hundred forty-four million, four hundred thirty-two thousand, twenty-six".