378190540 has 48 divisors (see below), whose sum is σ = 977481792. Its totient is φ = 119690496.

The previous prime is 378190507. The next prime is 378190543. The reversal of 378190540 is 45091873.

It is a self number, because there is not a number n which added to its sum of digits gives 378190540.

It is not an unprimeable number, because it can be changed into a prime (378190543) 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, 102079 + ... + 105718.

It is an arithmetic number, because the mean of its divisors is an integer number (20364204).

Almost surely, 2^378190540 is an apocalyptic number.

It is an amenable number.

378190540 is an abundant number, since it is smaller than the sum of its proper divisors (599291252).

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

378190540 is a wasteful number, since it uses less digits than its factorization.

378190540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207826 (or 207824 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 378190540 is about 19447.1216379186. The cubic root of 378190540 is about 723.1641478681.

The spelling of 378190540 in words is "three hundred seventy-eight million, one hundred ninety thousand, five hundred forty".