378015740 has 48 divisors (see below), whose sum is σ = 845074944. Its totient is φ = 141542400.

The previous prime is 378015739. The next prime is 378015749. The reversal of 378015740 is 47510873.

It is a self number, because there is not a number n which added to its sum of digits gives 378015740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378015749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62030 + ... + 67850.

It is an arithmetic number, because the mean of its divisors is an integer number (17605728).

Almost surely, 2^378015740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378015740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422537472).

378015740 is an abundant number, since it is smaller than the sum of its proper divisors (467059204).

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

378015740 is a wasteful number, since it uses less digits than its factorization.

378015740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038 (or 6036 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 378015740 is about 19442.6268801312. The cubic root of 378015740 is about 723.0527149967.

The spelling of 378015740 in words is "three hundred seventy-eight million, fifteen thousand, seven hundred forty".