40121432313 has 8 divisors (see below), whose sum is σ = 53496386208. Its totient is φ = 26747049984.

The previous prime is 40121432311. The next prime is 40121432341. The reversal of 40121432313 is 31323412104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40121432313 - 2¹ = 40121432311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40121432311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63481 + ... + 290297.

It is an arithmetic number, because the mean of its divisors is an integer number (6687048276).

Almost surely, 2^40121432313 is an apocalyptic number.

It is an amenable number.

40121432313 is a deficient number, since it is larger than the sum of its proper divisors (13374953895).

40121432313 is a wasteful number, since it uses less digits than its factorization.

40121432313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285783.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 40121432313 its reverse (31323412104), we get a palindrome (71444844417).

The spelling of 40121432313 in words is "forty billion, one hundred twenty-one million, four hundred thirty-two thousand, three hundred thirteen".