438354424087 has 8 divisors (see below), whose sum is σ = 438723180000. Its totient is φ = 437985750144.

The previous prime is 438354424051. The next prime is 438354424091. The reversal of 438354424087 is 780424453834.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438354424087 is a prime.

It is a super-2 number, since 2×438354424087² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438354424037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15286539 + ... + 15315187.

It is an arithmetic number, because the mean of its divisors is an integer number (54840397500).

Almost surely, 2^438354424087 is an apocalyptic number.

438354424087 is a deficient number, since it is larger than the sum of its proper divisors (368755913).

438354424087 is a wasteful number, since it uses less digits than its factorization.

438354424087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40985.

The product of its (nonzero) digits is 10321920, while the sum is 52.

The spelling of 438354424087 in words is "four hundred thirty-eight billion, three hundred fifty-four million, four hundred twenty-four thousand, eighty-seven".