449511115902 has 8 divisors (see below), whose sum is σ = 899022231816. Its totient is φ = 149837038632.

The previous prime is 449511115897. The next prime is 449511115973. The reversal of 449511115902 is 209511115944.

It is a sphenic number, since it is the product of 3 distinct primes.

449511115902 is an admirable number.

It is a super-2 number, since 2×449511115902² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37459259653 + ... + 37459259664.

It is an arithmetic number, because the mean of its divisors is an integer number (112377778977).

Almost surely, 2^449511115902 is an apocalyptic number.

449511115902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

449511115902 is a wasteful number, since it uses less digits than its factorization.

449511115902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74918519322.

The product of its (nonzero) digits is 64800, while the sum is 42.

Adding to 449511115902 its sum of digits (42), we get a palindrome (449511115944).

The spelling of 449511115902 in words is "four hundred forty-nine billion, five hundred eleven million, one hundred fifteen thousand, nine hundred two".