378790550 has 24 divisors (see below), whose sum is σ = 727280832. Its totient is φ = 146628000.

The previous prime is 378790537. The next prime is 378790553. The reversal of 378790550 is 55097873.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378790553) 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, 120641 + ... + 123740.

It is an arithmetic number, because the mean of its divisors is an integer number (30303368).

Almost surely, 2^378790550 is an apocalyptic number.

378790550 is a deficient number, since it is larger than the sum of its proper divisors (348490282).

378790550 is a wasteful number, since it uses less digits than its factorization.

378790550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244424 (or 244419 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 378790550 is about 19462.5422285990. The cubic root of 378790550 is about 723.5463859277.

The spelling of 378790550 in words is "three hundred seventy-eight million, seven hundred ninety thousand, five hundred fifty".