378263280 has 40 divisors (see below), whose sum is σ = 1172616912. Its totient is φ = 100870144.

The previous prime is 378263251. The next prime is 378263299. The reversal of 378263280 is 82362873.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787809 + ... + 788288.

Almost surely, 2^378263280 is an apocalyptic number.

378263280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378263280 is an abundant number, since it is smaller than the sum of its proper divisors (794353632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378263280 is a wasteful number, since it uses less digits than its factorization.

378263280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576113 (or 1576107 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 378263280 is about 19448.9917476459. The cubic root of 378263280 is about 723.2105086153.

The spelling of 378263280 in words is "three hundred seventy-eight million, two hundred sixty-three thousand, two hundred eighty".