11662440 has 32 divisors (see below), whose sum is σ = 34987680. Its totient is φ = 3109952.

The previous prime is 11662393. The next prime is 11662457. The reversal of 11662440 is 4426611.

11662440 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×11662440⁴ (a number of 29 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11662440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48474 + ... + 48713.

It is an arithmetic number, because the mean of its divisors is an integer number (1093365).

Almost surely, 2^11662440 is an apocalyptic number.

11662440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11662440 is an abundant number, since it is smaller than the sum of its proper divisors (23325240).

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

11662440 is a wasteful number, since it uses less digits than its factorization.

11662440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97201 (or 97197 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 11662440 is about 3415.0314786251. The cubic root of 11662440 is about 226.7756780527.

The spelling of 11662440 in words is "eleven million, six hundred sixty-two thousand, four hundred forty".