438735428300378 has 32 divisors (see below), whose sum is σ = 729702941647680. Its totient is φ = 196155153648000.

The previous prime is 438735428300371. The next prime is 438735428300471. The reversal of 438735428300378 is 873003824537834.

It is a super-2 number, since 2×438735428300378² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (438735428300371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462541718 + ... + 463489278.

It is an arithmetic number, because the mean of its divisors is an integer number (22803216926490).

Almost surely, 2^{438735428300378} is an apocalyptic number.

438735428300378 is a deficient number, since it is larger than the sum of its proper divisors (290967513347302).

438735428300378 is a wasteful number, since it uses less digits than its factorization.

438735428300378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292654.

The product of its (nonzero) digits is 325140480, while the sum is 65.

The spelling of 438735428300378 in words is "four hundred thirty-eight trillion, seven hundred thirty-five billion, four hundred twenty-eight million, three hundred thousand, three hundred seventy-eight".