1378460356 has 72 divisors (see below), whose sum is σ = 3041465280. Its totient is φ = 541816128.

The previous prime is 1378460333. The next prime is 1378460381. The reversal of 1378460356 is 6530648731.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413665 + ... + 416983.

Almost surely, 2^1378460356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1378460356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520732640).

1378460356 is an abundant number, since it is smaller than the sum of its proper divisors (1663004924).

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

1378460356 is a wasteful number, since it uses less digits than its factorization.

1378460356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513 (or 3504 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 1378460356 is about 37127.6225471010. The cubic root of 1378460356 is about 1112.9220835979.

The spelling of 1378460356 in words is "one billion, three hundred seventy-eight million, four hundred sixty thousand, three hundred fifty-six".