378272880 has 60 divisors (see below), whose sum is σ = 1270368840. Its totient is φ = 100872576.

The previous prime is 378272879. The next prime is 378272887. The reversal of 378272880 is 88272873.

378272880 is a `hidden beast` number, since 378 + 272 + 8 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378272887) 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, 261970 + ... + 263409.

It is an arithmetic number, because the mean of its divisors is an integer number (21172814).

Almost surely, 2^378272880 is an apocalyptic number.

378272880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378272880 is an abundant number, since it is smaller than the sum of its proper divisors (892095960).

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

378272880 is a wasteful number, since it uses less digits than its factorization.

378272880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525398 (or 525389 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 378272880 is about 19449.2385455061. The cubic root of 378272880 is about 723.2166267192.

The spelling of 378272880 in words is "three hundred seventy-eight million, two hundred seventy-two thousand, eight hundred eighty".