450123043005040 has 80 divisors (see below), whose sum is σ = 1119520701526752. Its totient is φ = 167711096143872.

The previous prime is 450123043004983. The next prime is 450123043005059. The reversal of 450123043005040 is 40500340321054.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×450123043005040² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450123043004993 and 450123043005011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1705913574 + ... + 1706177413.

Almost surely, 2^{450123043005040} is an apocalyptic number.

450123043005040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450123043005040 is an abundant number, since it is smaller than the sum of its proper divisors (669397658521712).

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

450123043005040 is a wasteful number, since it uses less digits than its factorization.

450123043005040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412091114 (or 3412091108 counting only the distinct ones).

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

Adding to 450123043005040 its reverse (40500340321054), we get a palindrome (490623383326094).

The spelling of 450123043005040 in words is "four hundred fifty trillion, one hundred twenty-three billion, forty-three million, five thousand, forty".