378545420 has 48 divisors (see below), whose sum is σ = 868740768. Its totient is φ = 137410560.

The previous prime is 378545411. The next prime is 378545449. The reversal of 378545420 is 24545873.

It is a happy 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, 165404 + ... + 167676.

It is an arithmetic number, because the mean of its divisors is an integer number (18098766).

Almost surely, 2^378545420 is an apocalyptic number.

It is an amenable number.

378545420 is an abundant number, since it is smaller than the sum of its proper divisors (490195348).

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

378545420 is a wasteful number, since it uses less digits than its factorization.

378545420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 378545420 is about 19456.2437279142. The cubic root of 378545420 is about 723.3902739737.

The spelling of 378545420 in words is "three hundred seventy-eight million, five hundred forty-five thousand, four hundred twenty".