1914428550 has 48 divisors (see below), whose sum is σ = 4768601040. Its totient is φ = 508275840.

The previous prime is 1914428501. The next prime is 1914428603. The reversal of 1914428550 is 558244191.

1914428550 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1914428499 and 1914428508.

It is a congruent number.

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, 6484 + ... + 62216.

It is an arithmetic number, because the mean of its divisors is an integer number (99345855).

Almost surely, 2^1914428550 is an apocalyptic number.

1914428550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1914428550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2384300520).

1914428550 is an abundant number, since it is smaller than the sum of its proper divisors (2854172490).

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

1914428550 is a wasteful number, since it uses less digits than its factorization.

1914428550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55977 (or 55972 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 1914428550 is about 43754.1832285783. The cubic root of 1914428550 is about 1241.6896299723.

The spelling of 1914428550 in words is "one billion, nine hundred fourteen million, four hundred twenty-eight thousand, five hundred fifty".