45431203320 has 128 divisors (see below), whose sum is σ = 155530382400. Its totient is φ = 11787545088.

The previous prime is 45431203277. The next prime is 45431203331. The reversal of 45431203320 is 2330213454.

45431203320 is a `hidden beast` number, since 4 + 5 + 431 + 203 + 3 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 528499 + ... + 608418.

Almost surely, 2^45431203320 is an apocalyptic number.

45431203320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45431203320 is an abundant number, since it is smaller than the sum of its proper divisors (110099179080).

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

45431203320 is a wasteful number, since it uses less digits than its factorization.

45431203320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136974 (or 1136964 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 45431203320 its reverse (2330213454), we get a palindrome (47761416774).

The spelling of 45431203320 in words is "forty-five billion, four hundred thirty-one million, two hundred three thousand, three hundred twenty".