381650260156 has 48 divisors (see below), whose sum is σ = 761103786240. Its totient is φ = 165755870720.

The previous prime is 381650260141. The next prime is 381650260183. The reversal of 381650260156 is 651062056183.

It is a super-2 number, since 2×381650260156² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737175 + ... + 1143121.

It is an arithmetic number, because the mean of its divisors is an integer number (15856328880).

Almost surely, 2^381650260156 is an apocalyptic number.

It is an amenable number.

381650260156 is a deficient number, since it is larger than the sum of its proper divisors (379453526084).

381650260156 is a wasteful number, since it uses less digits than its factorization.

381650260156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406914 (or 406912 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 381650260156 in words is "three hundred eighty-one billion, six hundred fifty million, two hundred sixty thousand, one hundred fifty-six".