380775550 has 48 divisors (see below), whose sum is σ = 722846592. Its totient is φ = 149205600.

The previous prime is 380775541. The next prime is 380775559. The reversal of 380775550 is 55577083.

It is an interprime number because it is at equal distance from previous prime (380775541) and next prime (380775559).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380775559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 550705 + ... + 551395.

It is an arithmetic number, because the mean of its divisors is an integer number (15059304).

Almost surely, 2^380775550 is an apocalyptic number.

380775550 is a deficient number, since it is larger than the sum of its proper divisors (342071042).

380775550 is a wasteful number, since it uses less digits than its factorization.

380775550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 380775550 is about 19513.4709880124. The cubic root of 380775550 is about 724.8080665135.

The spelling of 380775550 in words is "three hundred eighty million, seven hundred seventy-five thousand, five hundred fifty".