11294640 has 240 divisors, whose sum is σ = 45497088. Its totient is φ = 2550528.

The previous prime is 11294629. The next prime is 11294653. The reversal of 11294640 is 4649211.

11294640 is a `hidden beast` number, since 1 + 12 + 9 + 4 + 640 = 666.

11294640 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 tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136039 + ... + 136121.

Almost surely, 2^11294640 is an apocalyptic number.

11294640 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 11294640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22748544).

11294640 is an abundant number, since it is smaller than the sum of its proper divisors (34202448).

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

11294640 is an equidigital number, since it uses as much as digits as its factorization.

11294640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 11294640 is about 3360.7499163133. The cubic root of 11294640 is about 224.3662164246.

The spelling of 11294640 in words is "eleven million, two hundred ninety-four thousand, six hundred forty".