1945326528 has 42 divisors (see below), whose sum is σ = 5575928904. Its totient is φ = 648441984.

The previous prime is 1945326517. The next prime is 1945326529. The reversal of 1945326528 is 8256235491.

1945326528 is a `hidden beast` number, since 1 + 94 + 5 + 32 + 6 + 528 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945326529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1688076 + ... + 1689227.

It is an arithmetic number, because the mean of its divisors is an integer number (132760212).

Almost surely, 2^1945326528 is an apocalyptic number.

1945326528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1945326528 is an abundant number, since it is smaller than the sum of its proper divisors (3630602376).

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

1945326528 is a wasteful number, since it uses less digits than its factorization.

1945326528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377321 (or 3377308 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 1945326528 is about 44105.8559377324. The cubic root of 1945326528 is about 1248.3341067995.

The spelling of 1945326528 in words is "one billion, nine hundred forty-five million, three hundred twenty-six thousand, five hundred twenty-eight".