481396378815 has 96 divisors (see below), whose sum is σ = 944887237632. Its totient is φ = 224692704000.

The previous prime is 481396378787. The next prime is 481396378831. The reversal of 481396378815 is 518873693184.

481396378815 is a `hidden beast` number, since 481 + 3 + 9 + 6 + 3 + 78 + 81 + 5 = 666.

It is not a de Polignac number, because 481396378815 - 2⁵ = 481396378783 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1249560 + ... + 1588770.

It is an arithmetic number, because the mean of its divisors is an integer number (9842575392).

Almost surely, 2^481396378815 is an apocalyptic number.

481396378815 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

481396378815 is a deficient number, since it is larger than the sum of its proper divisors (463490858817).

481396378815 is a wasteful number, since it uses less digits than its factorization.

481396378815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339341 (or 339338 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 481396378815 in words is "four hundred eighty-one billion, three hundred ninety-six million, three hundred seventy-eight thousand, eight hundred fifteen".