1928945058 has 16 divisors (see below), whose sum is σ = 3858430656. Its totient is φ = 642891600.

The previous prime is 1928944951. The next prime is 1928945059. The reversal of 1928945058 is 8505498291.

It is a self number, because there is not a number n which added to its sum of digits gives 1928945058.

It is not an unprimeable number, because it can be changed into a prime (1928945059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35283 + ... + 71433.

It is an arithmetic number, because the mean of its divisors is an integer number (241151916).

Almost surely, 2^1928945058 is an apocalyptic number.

1928945058 is an abundant number, since it is smaller than the sum of its proper divisors (1929485598).

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

1928945058 is a wasteful number, since it uses less digits than its factorization.

1928945058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45049.

The product of its (nonzero) digits is 1036800, while the sum is 51.

The square root of 1928945058 is about 43919.7570348471. The cubic root of 1928945058 is about 1244.8201775736.

The spelling of 1928945058 in words is "one billion, nine hundred twenty-eight million, nine hundred forty-five thousand, fifty-eight".