40121043232 has 24 divisors (see below), whose sum is σ = 82422579456. Its totient is φ = 19188324672.

The previous prime is 40121043217. The next prime is 40121043269. The reversal of 40121043232 is 23234012104.

It is a super-2 number, since 2×40121043232² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27255408 + ... + 27256879.

It is an arithmetic number, because the mean of its divisors is an integer number (3434274144).

Almost surely, 2^40121043232 is an apocalyptic number.

It is an amenable number.

40121043232 is an abundant number, since it is smaller than the sum of its proper divisors (42301536224).

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

40121043232 is a wasteful number, since it uses less digits than its factorization.

40121043232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54512320 (or 54512312 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40121043232 its reverse (23234012104), we get a palindrome (63355055336).

The spelling of 40121043232 in words is "forty billion, one hundred twenty-one million, forty-three thousand, two hundred thirty-two".