380140807257 has 12 divisors (see below), whose sum is σ = 549138717504. Its totient is φ = 253405770840.

The previous prime is 380140807229. The next prime is 380140807261. The reversal of 380140807257 is 752708041083.

380140807257 is a `hidden beast` number, since 380 + 14 + 0 + 8 + 0 + 7 + 257 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-380140807257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380140807357) 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, 1673469 + ... + 1887002.

It is an arithmetic number, because the mean of its divisors is an integer number (45761559792).

Almost surely, 2^380140807257 is an apocalyptic number.

It is an amenable number.

380140807257 is a deficient number, since it is larger than the sum of its proper divisors (168997910247).

380140807257 is a wasteful number, since it uses less digits than its factorization.

380140807257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572340 (or 3572337 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 380140807257 in words is "three hundred eighty billion, one hundred forty million, eight hundred seven thousand, two hundred fifty-seven".