40115287380631 has 8 divisors (see below), whose sum is σ = 40172883738624. Its totient is φ = 40057697664600.

The previous prime is 40115287380551. The next prime is 40115287380673. The reversal of 40115287380631 is 13608378251104.

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

It is a cyclic number.

It is not a de Polignac number, because 40115287380631 - 2⁷ = 40115287380503 is a prime.

It is a super-2 number, since 2×40115287380631² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40115287389631) 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, 10491306 + ... + 13794856.

It is an arithmetic number, because the mean of its divisors is an integer number (5021610467328).

Almost surely, 2^{40115287380631} is an apocalyptic number.

40115287380631 is a deficient number, since it is larger than the sum of its proper divisors (57596357993).

40115287380631 is a wasteful number, since it uses less digits than its factorization.

40115287380631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320981.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 40115287380631 in words is "forty trillion, one hundred fifteen billion, two hundred eighty-seven million, three hundred eighty thousand, six hundred thirty-one".