378715140 has 36 divisors (see below), whose sum is σ = 1148769804. Its totient is φ = 100990656.

The previous prime is 378715111. The next prime is 378715151. The reversal of 378715140 is 41517873.

378715140 is a `hidden beast` number, since 3 + 78 + 71 + 514 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57517056 + 321198084 = 7584^2 + 17922^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 378715095 and 378715104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1051807 + ... + 1052166.

Almost surely, 2^378715140 is an apocalyptic number.

378715140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378715140 is an abundant number, since it is smaller than the sum of its proper divisors (770054664).

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

378715140 is a wasteful number, since it uses less digits than its factorization.

378715140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103988 (or 2103983 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 378715140 is about 19460.6048210224. The cubic root of 378715140 is about 723.4983679627.

The spelling of 378715140 in words is "three hundred seventy-eight million, seven hundred fifteen thousand, one hundred forty".