438378524342 has 16 divisors (see below), whose sum is σ = 717365398464. Its totient is φ = 199257765000.

The previous prime is 438378524321. The next prime is 438378524359. The reversal of 438378524342 is 243425873834.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677117 + ... + 1155527.

It is an arithmetic number, because the mean of its divisors is an integer number (44835337404).

Almost surely, 2^438378524342 is an apocalyptic number.

438378524342 is a deficient number, since it is larger than the sum of its proper divisors (278986874122).

438378524342 is a wasteful number, since it uses less digits than its factorization.

438378524342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520075.

The product of its digits is 15482880, while the sum is 53.

The spelling of 438378524342 in words is "four hundred thirty-eight billion, three hundred seventy-eight million, five hundred twenty-four thousand, three hundred forty-two".