451050023540 has 24 divisors (see below), whose sum is σ = 947608042752. Its totient is φ = 180343248800.

The previous prime is 451050023531. The next prime is 451050023561. The reversal of 451050023540 is 45320050154.

It is a super-2 number, since 2×451050023540² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4749344 + ... + 4843383.

It is an arithmetic number, because the mean of its divisors is an integer number (39483668448).

Almost surely, 2^451050023540 is an apocalyptic number.

It is an amenable number.

451050023540 is an abundant number, since it is smaller than the sum of its proper divisors (496558019212).

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

451050023540 is a wasteful number, since it uses less digits than its factorization.

451050023540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9595087 (or 9595085 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 451050023540 its reverse (45320050154), we get a palindrome (496370073694).

The spelling of 451050023540 in words is "four hundred fifty-one billion, fifty million, twenty-three thousand, five hundred forty".