11472240 has 80 divisors (see below), whose sum is σ = 38310048. Its totient is φ = 2823168.

The previous prime is 11472233. The next prime is 11472269. The reversal of 11472240 is 4227411.

11472240 = T₃₂₅ + T₃₂₆ + ... + T₄₆₈.

It is a happy number.

11472240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×11472240² = 263224581235200, which 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 15 ways as a sum of consecutive naturals, for example, 1282 + ... + 4958.

Almost surely, 2^11472240 is an apocalyptic number.

11472240 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 11472240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19155024).

11472240 is an abundant number, since it is smaller than the sum of its proper divisors (26837808).

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

11472240 is a wasteful number, since it uses less digits than its factorization.

11472240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 11472240 is about 3387.0695298443. The cubic root of 11472240 is about 225.5361043333.

Adding to 11472240 its reverse (4227411), we get a palindrome (15699651).

The spelling of 11472240 in words is "eleven million, four hundred seventy-two thousand, two hundred forty".