11432402140 has 12 divisors (see below), whose sum is σ = 24008044536. Its totient is φ = 4572960848.

The previous prime is 11432402123. The next prime is 11432402141. The reversal of 11432402140 is 4120423411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11432402141) 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, 285810034 + ... + 285810073.

It is an arithmetic number, because the mean of its divisors is an integer number (2000670378).

Almost surely, 2^11432402140 is an apocalyptic number.

11432402140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11432402140 is an abundant number, since it is smaller than the sum of its proper divisors (12575642396).

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

11432402140 is a wasteful number, since it uses less digits than its factorization.

11432402140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571620116 (or 571620114 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11432402140 its reverse (4120423411), we get a palindrome (15552825551).

The spelling of 11432402140 in words is "eleven billion, four hundred thirty-two million, four hundred two thousand, one hundred forty".