45012420455044 has 48 divisors (see below), whose sum is σ = 95335807738752. Its totient is φ = 18153339397632.

The previous prime is 45012420455039. The next prime is 45012420455059. The reversal of 45012420455044 is 44055402421054.

It is a super-2 number, since 2×45012420455044² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45012420454988 and 45012420455006.

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 15 ways as a sum of consecutive naturals, for example, 4680042 + ... + 10579585.

It is an arithmetic number, because the mean of its divisors is an integer number (1986162661224).

Almost surely, 2^{45012420455044} is an apocalyptic number.

It is an amenable number.

45012420455044 is an abundant number, since it is smaller than the sum of its proper divisors (50323387283708).

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

45012420455044 is a wasteful number, since it uses less digits than its factorization.

45012420455044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15265852 (or 15265850 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 40.

Adding to 45012420455044 its reverse (44055402421054), we get a palindrome (89067822876098).

The spelling of 45012420455044 in words is "forty-five trillion, twelve billion, four hundred twenty million, four hundred fifty-five thousand, forty-four".