438268882057 has 8 divisors (see below), whose sum is σ = 450597744000. Its totient is φ = 426065186544.

The previous prime is 438268881971. The next prime is 438268882061. The reversal of 438268882057 is 750288862834.

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

It is a cyclic number.

It is not a de Polignac number, because 438268882057 - 2²⁷ = 438134664329 is a prime.

It is a super-2 number, since 2×438268882057² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 438268881986 and 438268882004.

It is not an unprimeable number, because it can be changed into a prime (438268882087) 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, 31284507 + ... + 31298512.

It is an arithmetic number, because the mean of its divisors is an integer number (56324718000).

Almost surely, 2^438268882057 is an apocalyptic number.

438268882057 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

438268882057 is a deficient number, since it is larger than the sum of its proper divisors (12328861943).

438268882057 is a wasteful number, since it uses less digits than its factorization.

438268882057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62583215.

The product of its (nonzero) digits is 41287680, while the sum is 61.

The spelling of 438268882057 in words is "four hundred thirty-eight billion, two hundred sixty-eight million, eight hundred eighty-two thousand, fifty-seven".