378451416 has 64 divisors (see below), whose sum is σ = 1144903680. Its totient is φ = 101767680.

The previous prime is 378451397. The next prime is 378451511. The reversal of 378451416 is 614154873.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63400 + ... + 69111.

It is an arithmetic number, because the mean of its divisors is an integer number (17889120).

Almost surely, 2^378451416 is an apocalyptic number.

It is an amenable number.

378451416 is an abundant number, since it is smaller than the sum of its proper divisors (766452264).

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

378451416 is a wasteful number, since it uses less digits than its factorization.

378451416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132544 (or 132540 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 378451416 is about 19453.8277981481. The cubic root of 378451416 is about 723.3303892981.

The spelling of 378451416 in words is "three hundred seventy-eight million, four hundred fifty-one thousand, four hundred sixteen".