438153343438 has 32 divisors (see below), whose sum is σ = 661524597216. Its totient is φ = 217651719168.

The previous prime is 438153343427. The next prime is 438153343471. The reversal of 438153343438 is 834343351834.

It is a junction number, because it is equal to n+sod(n) for n = 438153343391 and 438153343400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305758770 + ... + 305760202.

It is an arithmetic number, because the mean of its divisors is an integer number (20672643663).

Almost surely, 2^438153343438 is an apocalyptic number.

438153343438 is a deficient number, since it is larger than the sum of its proper divisors (223371253778).

438153343438 is a wasteful number, since it uses less digits than its factorization.

438153343438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108.

The product of its digits is 4976640, while the sum is 49.

The spelling of 438153343438 in words is "four hundred thirty-eight billion, one hundred fifty-three million, three hundred forty-three thousand, four hundred thirty-eight".