1945339632 has 80 divisors (see below), whose sum is σ = 5826650880. Its totient is φ = 620250048.

The previous prime is 1945339603. The next prime is 1945339667. The reversal of 1945339632 is 2369335491.

1945339632 is a `hidden beast` number, since 1 + 9 + 4 + 5 + 3 + 3 + 9 + 632 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87958 + ... + 107829.

It is an arithmetic number, because the mean of its divisors is an integer number (72833136).

Almost surely, 2^1945339632 is an apocalyptic number.

1945339632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1945339632 is an abundant number, since it is smaller than the sum of its proper divisors (3881311248).

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

1945339632 is a wasteful number, since it uses less digits than its factorization.

1945339632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195827 (or 195815 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 1945339632 is about 44106.0044891849. The cubic root of 1945339632 is about 1248.3369097794.

The spelling of 1945339632 in words is "one billion, nine hundred forty-five million, three hundred thirty-nine thousand, six hundred thirty-two".