40120123132 has 24 divisors (see below), whose sum is σ = 73912608000. Its totient is φ = 19002438576.

The previous prime is 40120123129. The next prime is 40120123181. The reversal of 40120123132 is 23132102104.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087119 + ... + 1123417.

It is an arithmetic number, because the mean of its divisors is an integer number (3079692000).

Almost surely, 2^40120123132 is an apocalyptic number.

It is an amenable number.

40120123132 is a deficient number, since it is larger than the sum of its proper divisors (33792484868).

40120123132 is a wasteful number, since it uses less digits than its factorization.

40120123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50865 (or 50863 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 40120123132 its reverse (23132102104), we get a palindrome (63252225236).

The spelling of 40120123132 in words is "forty billion, one hundred twenty million, one hundred twenty-three thousand, one hundred thirty-two".