451148725050 has 48 divisors (see below), whose sum is σ = 1120894469472. Its totient is φ = 120086366400.

The previous prime is 451148725031. The next prime is 451148725129. The reversal of 451148725050 is 50527841154.

It is a happy number.

It is a super-2 number, since 2×451148725050² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 451148724993 and 451148725011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2667181 + ... + 2831280.

It is an arithmetic number, because the mean of its divisors is an integer number (23351968114).

Almost surely, 2^451148725050 is an apocalyptic number.

451148725050 is an abundant number, since it is smaller than the sum of its proper divisors (669745744422).

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

451148725050 is a wasteful number, since it uses less digits than its factorization.

451148725050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499023 (or 5499018 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 42.

The spelling of 451148725050 in words is "four hundred fifty-one billion, one hundred forty-eight million, seven hundred twenty-five thousand, fifty".