378975715450 has 48 divisors (see below), whose sum is σ = 709862423040. Its totient is φ = 150522840000.

The previous prime is 378975715379. The next prime is 378975715457. The reversal of 378975715450 is 54517579873.

It is not an unprimeable number, because it can be changed into a prime (378975715457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20519220 + ... + 20537680.

It is an arithmetic number, because the mean of its divisors is an integer number (14788800480).

Almost surely, 2^378975715450 is an apocalyptic number.

378975715450 is a deficient number, since it is larger than the sum of its proper divisors (330886707590).

378975715450 is a wasteful number, since it uses less digits than its factorization.

378975715450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21343 (or 21338 counting only the distinct ones).

The product of its (nonzero) digits is 37044000, while the sum is 61.

The spelling of 378975715450 in words is "three hundred seventy-eight billion, nine hundred seventy-five million, seven hundred fifteen thousand, four hundred fifty".