11601840 has 40 divisors (see below), whose sum is σ = 35966448. Its totient is φ = 3093760.

The previous prime is 11601791. The next prime is 11601841. The reversal of 11601840 is 4810611.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (11601841) 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, 23931 + ... + 24410.

Almost surely, 2^11601840 is an apocalyptic number.

11601840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11601840 is an abundant number, since it is smaller than the sum of its proper divisors (24364608).

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

11601840 is a wasteful number, since it uses less digits than its factorization.

11601840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48357 (or 48351 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 11601840 is about 3406.1473837754. The cubic root of 11601840 is about 226.3822075610.

The spelling of 11601840 in words is "eleven million, six hundred one thousand, eight hundred forty".