11542040 has 16 divisors (see below), whose sum is σ = 25969680. Its totient is φ = 4616800.

The previous prime is 11542007. The next prime is 11542043. The reversal of 11542040 is 4024511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144236 + ... + 144315.

It is an arithmetic number, because the mean of its divisors is an integer number (1623105).

Almost surely, 2^11542040 is an apocalyptic number.

11542040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11542040 is an abundant number, since it is smaller than the sum of its proper divisors (14427640).

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

11542040 is a wasteful number, since it uses less digits than its factorization.

11542040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288562 (or 288558 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 11542040 is about 3397.3577968769. The cubic root of 11542040 is about 225.9925859682.

Adding to 11542040 its reverse (4024511), we get a palindrome (15566551).

The spelling of 11542040 in words is "eleven million, five hundred forty-two thousand, forty".