380400625287 has 12 divisors (see below), whose sum is σ = 549510276120. Its totient is φ = 253580706288.

The previous prime is 380400625261. The next prime is 380400625309. The reversal of 380400625287 is 782526004083.

380400625287 is a `hidden beast` number, since 3 + 80 + 40 + 0 + 6 + 2 + 528 + 7 = 666.

It is not a de Polignac number, because 380400625287 - 2¹² = 380400621191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380400625387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1519837 + ... + 1752342.

It is an arithmetic number, because the mean of its divisors is an integer number (45792523010).

Almost surely, 2^380400625287 is an apocalyptic number.

380400625287 is a deficient number, since it is larger than the sum of its proper divisors (169109650833).

380400625287 is a wasteful number, since it uses less digits than its factorization.

380400625287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285102 (or 3285099 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 380400625287 in words is "three hundred eighty billion, four hundred million, six hundred twenty-five thousand, two hundred eighty-seven".