45989395920 has 200 divisors, whose sum is σ = 172015068456. Its totient is φ = 11320445952.

The previous prime is 45989395913. The next prime is 45989395967. The reversal of 45989395920 is 2959398954.

45989395920 is a `hidden beast` number, since 4 + 5 + 9 + 8 + 9 + 39 + 592 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4147875216 + 41841520704 = 64404^2 + 204552^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 188727 + ... + 357206.

Almost surely, 2^45989395920 is an apocalyptic number.

45989395920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45989395920 is an abundant number, since it is smaller than the sum of its proper divisors (126025672536).

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

45989395920 is a wasteful number, since it uses less digits than its factorization.

45989395920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545971 (or 545956 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 63.

The spelling of 45989395920 in words is "forty-five billion, nine hundred eighty-nine million, three hundred ninety-five thousand, nine hundred twenty".