40311342432 has 36 divisors (see below), whose sum is σ = 114635380860. Its totient is φ = 13437114048.

The previous prime is 40311342431. The next prime is 40311342437. The reversal of 40311342432 is 23424311304.

40311342432 is a `hidden beast` number, since 4 + 0 + 311 + 342 + 4 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 40311342396 and 40311342405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40311342431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69984682 + ... + 69985257.

It is an arithmetic number, because the mean of its divisors is an integer number (3184316135).

Almost surely, 2^40311342432 is an apocalyptic number.

It is an amenable number.

40311342432 is an abundant number, since it is smaller than the sum of its proper divisors (74324038428).

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

40311342432 is a wasteful number, since it uses less digits than its factorization.

40311342432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139969955 (or 139969944 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 40311342432 its reverse (23424311304), we get a palindrome (63735653736).

The spelling of 40311342432 in words is "forty billion, three hundred eleven million, three hundred forty-two thousand, four hundred thirty-two".