11447070400 has 84 divisors (see below), whose sum is σ = 28188510552. Its totient is φ = 4575324160.

The previous prime is 11447070373. The next prime is 11447070409. The reversal of 11447070400 is 407074411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11447070409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3443139 + ... + 3446461.

Almost surely, 2^11447070400 is an apocalyptic number.

11447070400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11447070400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14094255276).

11447070400 is an abundant number, since it is smaller than the sum of its proper divisors (16741440152).

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

11447070400 is a wasteful number, since it uses less digits than its factorization.

11447070400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498 (or 5483 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The spelling of 11447070400 in words is "eleven billion, four hundred forty-seven million, seventy thousand, four hundred".