45453231040 has 84 divisors (see below), whose sum is σ = 125906652936. Its totient is φ = 15583959552.

The previous prime is 45453231001. The next prime is 45453231071. The reversal of 45453231040 is 4013235454.

It is a junction number, because it is equal to n+sod(n) for n = 45453230993 and 45453231011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1433722 + ... + 1465081.

Almost surely, 2^45453231040 is an apocalyptic number.

45453231040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45453231040 is an abundant number, since it is smaller than the sum of its proper divisors (80453421896).

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

45453231040 is a wasteful number, since it uses less digits than its factorization.

45453231040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898834 (or 2898817 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 45453231040 its reverse (4013235454), we get a palindrome (49466466494).

The spelling of 45453231040 in words is "forty-five billion, four hundred fifty-three million, two hundred thirty-one thousand, forty".