378854253450 has 144 divisors (see below), whose sum is σ = 1105989331200. Its totient is φ = 92623046400.

The previous prime is 378854253343. The next prime is 378854253509. The reversal of 378854253450 is 54352458873.

378854253450 is a `hidden beast` number, since 3 + 7 + 8 + 8 + 54 + 2 + 534 + 50 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 449635 + ... + 979734.

Almost surely, 2^378854253450 is an apocalyptic number.

378854253450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

378854253450 is an abundant number, since it is smaller than the sum of its proper divisors (727135077750).

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

378854253450 is a wasteful number, since it uses less digits than its factorization.

378854253450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429437 (or 1429429 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 54.

The spelling of 378854253450 in words is "three hundred seventy-eight billion, eight hundred fifty-four million, two hundred fifty-three thousand, four hundred fifty".