11642010240 has 128 divisors (see below), whose sum is σ = 42410229120. Its totient is φ = 2661027840.

The previous prime is 11642010199. The next prime is 11642010269. The reversal of 11642010240 is 4201024611.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 419671 + ... + 446550.

It is an arithmetic number, because the mean of its divisors is an integer number (331329915).

Almost surely, 2^11642010240 is an apocalyptic number.

11642010240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11642010240 is an abundant number, since it is smaller than the sum of its proper divisors (30768218880).

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

11642010240 is an equidigital number, since it uses as much as digits as its factorization.

11642010240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866250 (or 866238 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11642010240 its reverse (4201024611), we get a palindrome (15843034851).

The spelling of 11642010240 in words is "eleven billion, six hundred forty-two million, ten thousand, two hundred forty".