40340401431 has 32 divisors (see below), whose sum is σ = 61273497600. Its totient is φ = 23368408800.

The previous prime is 40340401429. The next prime is 40340401459. The reversal of 40340401431 is 13410404304.

It is not a de Polignac number, because 40340401431 - 2¹ = 40340401429 is a prime.

It is a super-2 number, since 2×40340401431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40340401531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1042846 + ... + 1080836.

It is an arithmetic number, because the mean of its divisors is an integer number (1914796800).

Almost surely, 2^40340401431 is an apocalyptic number.

40340401431 is a deficient number, since it is larger than the sum of its proper divisors (20933096169).

40340401431 is a wasteful number, since it uses less digits than its factorization.

40340401431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39427.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40340401431 its reverse (13410404304), we get a palindrome (53750805735).

The spelling of 40340401431 in words is "forty billion, three hundred forty million, four hundred one thousand, four hundred thirty-one".