1413779928 has 128 divisors (see below), whose sum is σ = 4074624000. Its totient is φ = 404741120.

The previous prime is 1413779867. The next prime is 1413779963. The reversal of 1413779928 is 8299773141.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357868 + ... + 361796.

It is an arithmetic number, because the mean of its divisors is an integer number (31833000).

Almost surely, 2^1413779928 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 1413779928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2037312000).

1413779928 is an abundant number, since it is smaller than the sum of its proper divisors (2660844072).

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

1413779928 is a wasteful number, since it uses less digits than its factorization.

1413779928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025 (or 4021 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 1413779928 is about 37600.2649990662. The cubic root of 1413779928 is about 1122.3473113048.

The spelling of 1413779928 in words is "one billion, four hundred thirteen million, seven hundred seventy-nine thousand, nine hundred twenty-eight".