449226408940 has 48 divisors (see below), whose sum is σ = 962265534048. Its totient is φ = 176100148224.

The previous prime is 449226408937. The next prime is 449226408941. The reversal of 449226408940 is 49804622944.

It is a super-2 number, since 2×449226408940² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449226408941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696004 + ... + 1175956.

It is an arithmetic number, because the mean of its divisors is an integer number (20047198626).

Almost surely, 2^449226408940 is an apocalyptic number.

It is an amenable number.

449226408940 is an abundant number, since it is smaller than the sum of its proper divisors (513039125108).

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

449226408940 is a wasteful number, since it uses less digits than its factorization.

449226408940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480898 (or 480896 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 52.

The spelling of 449226408940 in words is "four hundred forty-nine billion, two hundred twenty-six million, four hundred eight thousand, nine hundred forty".