13450528992 has 48 divisors (see below), whose sum is σ = 36446602752. Its totient is φ = 4338879360.

The previous prime is 13450528991. The next prime is 13450528999. The reversal of 13450528992 is 29982505431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13450528991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2256858 + ... + 2262809.

It is an arithmetic number, because the mean of its divisors is an integer number (759304224).

Almost surely, 2^13450528992 is an apocalyptic number.

13450528992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13450528992 is an abundant number, since it is smaller than the sum of its proper divisors (22996073760).

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

13450528992 is a wasteful number, since it uses less digits than its factorization.

13450528992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519711 (or 4519703 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 13450528992 in words is "thirteen billion, four hundred fifty million, five hundred twenty-eight thousand, nine hundred ninety-two".