1447761450 has 96 divisors (see below), whose sum is σ = 3774758400. Its totient is φ = 366505920.

The previous prime is 1447761443. The next prime is 1447761451. The reversal of 1447761450 is 541677441.

It is a super-2 number, since 2×1447761450² = 4192026432212205000, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1447761399 and 1447761408.

It is not an unprimeable number, because it can be changed into a prime (1447761451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 478041 + ... + 481059.

It is an arithmetic number, because the mean of its divisors is an integer number (39320400).

Almost surely, 2^1447761450 is an apocalyptic number.

1447761450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1447761450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1887379200).

1447761450 is an abundant number, since it is smaller than the sum of its proper divisors (2326996950).

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

1447761450 is a wasteful number, since it uses less digits than its factorization.

1447761450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196 (or 3191 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 1447761450 is about 38049.4605743629. The cubic root of 1447761450 is about 1131.2684349325.

The spelling of 1447761450 in words is "one billion, four hundred forty-seven million, seven hundred sixty-one thousand, four hundred fifty".