40115287380629 has 4 divisors (see below), whose sum is σ = 40115305323840. Its totient is φ = 40115269437420.

The previous prime is 40115287380551. The next prime is 40115287380673. The reversal of 40115287380629 is 92608378251104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40115287380629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40115287380829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5045327 + ... + 10280364.

It is an arithmetic number, because the mean of its divisors is an integer number (10028826330960).

It is a 1-persistent number, because it is pandigital, but 2⋅40115287380629 = 80230574761258 is not.

Almost surely, 2^{40115287380629} is an apocalyptic number.

It is an amenable number.

40115287380629 is a deficient number, since it is larger than the sum of its proper divisors (17943211).

40115287380629 is a wasteful number, since it uses less digits than its factorization.

40115287380629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17943210.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 40115287380629 in words is "forty trillion, one hundred fifteen billion, two hundred eighty-seven million, three hundred eighty thousand, six hundred twenty-nine".