1920765536 has 24 divisors (see below), whose sum is σ = 4003949880. Its totient is φ = 903889408.

The previous prime is 1920765493. The next prime is 1920765541. The reversal of 1920765536 is 6355670291.

It is a super-4 number, since 4×1920765536⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1764866 + ... + 1765953.

It is an arithmetic number, because the mean of its divisors is an integer number (166831245).

Almost surely, 2^1920765536 is an apocalyptic number.

1920765536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1920765536 is an abundant number, since it is smaller than the sum of its proper divisors (2083184344).

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

1920765536 is a wasteful number, since it uses less digits than its factorization.

1920765536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530846 (or 3530838 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 1920765536 is about 43826.5391743405. The cubic root of 1920765536 is about 1243.0581678171.

The spelling of 1920765536 in words is "one billion, nine hundred twenty million, seven hundred sixty-five thousand, five hundred thirty-six".