1973455056 has 40 divisors (see below), whose sum is σ = 5664548160. Its totient is φ = 657818208.

The previous prime is 1973455049. The next prime is 1973455067. The reversal of 1973455056 is 6505543791.

1973455056 is a `hidden beast` number, since 1 + 97 + 3 + 4 + 550 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2283660 + ... + 2284523.

It is an arithmetic number, because the mean of its divisors is an integer number (141613704).

Almost surely, 2^1973455056 is an apocalyptic number.

1973455056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1973455056 is an abundant number, since it is smaller than the sum of its proper divisors (3691093104).

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

1973455056 is a wasteful number, since it uses less digits than its factorization.

1973455056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568200 (or 4568188 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The square root of 1973455056 is about 44423.5867079640. The cubic root of 1973455056 is about 1254.3221168336.

The spelling of 1973455056 in words is "one billion, nine hundred seventy-three million, four hundred fifty-five thousand, fifty-six".