381485443430 has 64 divisors (see below), whose sum is σ = 867978599040. Its totient is φ = 117470767104.

The previous prime is 381485443411. The next prime is 381485443447. The reversal of 381485443430 is 34344584183.

It is a super-2 number, since 2×381485443430² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5631395 + ... + 5698734.

It is an arithmetic number, because the mean of its divisors is an integer number (13562165610).

Almost surely, 2^381485443430 is an apocalyptic number.

381485443430 is an abundant number, since it is smaller than the sum of its proper divisors (486493155610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381485443430 is a wasteful number, since it uses less digits than its factorization.

381485443430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11330193.

The product of its (nonzero) digits is 2211840, while the sum is 47.

The spelling of 381485443430 in words is "three hundred eighty-one billion, four hundred eighty-five million, four hundred forty-three thousand, four hundred thirty".