481000288391 has 16 divisors (see below), whose sum is σ = 587605874688. Its totient is φ = 384741931200.

The previous prime is 481000288337. The next prime is 481000288403. The reversal of 481000288391 is 193882000184.

It is a cyclic number.

It is not a de Polignac number, because 481000288391 - 2³⁸ = 206122381447 is a prime.

It is a super-3 number, since 3×481000288391³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481000288891) 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, 36427295 + ... + 36440496.

It is an arithmetic number, because the mean of its divisors is an integer number (36725367168).

Almost surely, 2^481000288391 is an apocalyptic number.

481000288391 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

481000288391 is a deficient number, since it is larger than the sum of its proper divisors (106605586297).

481000288391 is a wasteful number, since it uses less digits than its factorization.

481000288391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72867862.

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 481000288391 in words is "four hundred eighty-one billion, two hundred eighty-eight thousand, three hundred ninety-one".