378723240 has 96 divisors (see below), whose sum is σ = 1406695680. Its totient is φ = 86564736.

The previous prime is 378723223. The next prime is 378723253. The reversal of 378723240 is 42327873.

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 = 378723195 and 378723204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72624 + ... + 77663.

It is an arithmetic number, because the mean of its divisors is an integer number (14653080).

Almost surely, 2^378723240 is an apocalyptic number.

378723240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378723240 is an abundant number, since it is smaller than the sum of its proper divisors (1027972440).

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

378723240 is a wasteful number, since it uses less digits than its factorization.

378723240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150311 (or 150304 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 378723240 is about 19460.8129326603. The cubic root of 378723240 is about 723.5035260128.

The spelling of 378723240 in words is "three hundred seventy-eight million, seven hundred twenty-three thousand, two hundred forty".