40631406351 has 8 divisors (see below), whose sum is σ = 55496555184. Its totient is φ = 26426930880.

The previous prime is 40631406341. The next prime is 40631406371. The reversal of 40631406351 is 15360413604.

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

It is not a de Polignac number, because 40631406351 - 2⁶ = 40631406287 is a prime.

It is a super-2 number, since 2×40631406351² (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 (40631406331) 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 7 ways as a sum of consecutive naturals, for example, 165168196 + ... + 165168441.

It is an arithmetic number, because the mean of its divisors is an integer number (6937069398).

Almost surely, 2^40631406351 is an apocalyptic number.

40631406351 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40631406351 is a deficient number, since it is larger than the sum of its proper divisors (14865148833).

40631406351 is a wasteful number, since it uses less digits than its factorization.

40631406351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330336681.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 40631406351 its reverse (15360413604), we get a palindrome (55991819955).

The spelling of 40631406351 in words is "forty billion, six hundred thirty-one million, four hundred six thousand, three hundred fifty-one".