1378473404 has 96 divisors (see below), whose sum is σ = 3158507520. Its totient is φ = 510724800.

The previous prime is 1378473401. The next prime is 1378473457. The reversal of 1378473404 is 4043748731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378473401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 562109 + ... + 564555.

It is an arithmetic number, because the mean of its divisors is an integer number (32901120).

Almost surely, 2^1378473404 is an apocalyptic number.

1378473404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1378473404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579253760).

1378473404 is an abundant number, since it is smaller than the sum of its proper divisors (1780034116).

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

1378473404 is a wasteful number, since it uses less digits than its factorization.

1378473404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559 (or 2557 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 1378473404 is about 37127.7982649120. The cubic root of 1378473404 is about 1112.9255950909.

The spelling of 1378473404 in words is "one billion, three hundred seventy-eight million, four hundred seventy-three thousand, four hundred four".