381729731460 has 192 divisors, whose sum is σ = 1360937410560. Its totient is φ = 77632750080.

The previous prime is 381729731417. The next prime is 381729731477. The reversal of 381729731460 is 64137927183.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 661855 + ... + 1096134.

It is an arithmetic number, because the mean of its divisors is an integer number (7088215680).

Almost surely, 2^381729731460 is an apocalyptic number.

381729731460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

381729731460 is an abundant number, since it is smaller than the sum of its proper divisors (979207679100).

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

381729731460 is a wasteful number, since it uses less digits than its factorization.

381729731460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758066 (or 1758064 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 381729731460 in words is "three hundred eighty-one billion, seven hundred twenty-nine million, seven hundred thirty-one thousand, four hundred sixty".