40040017561151 has 4 divisors (see below), whose sum is σ = 40044767838600. Its totient is φ = 40035267283704.

The previous prime is 40040017561147. The next prime is 40040017561241. The reversal of 40040017561151 is 15116571004004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40040017561151 - 2² = 40040017561147 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 (40040017561111) 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, 2375126081 + ... + 2375142938.

It is an arithmetic number, because the mean of its divisors is an integer number (10011191959650).

Almost surely, 2^{40040017561151} is an apocalyptic number.

40040017561151 is a deficient number, since it is larger than the sum of its proper divisors (4750277449).

40040017561151 is an equidigital number, since it uses as much as digits as its factorization.

40040017561151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4750277448.

The product of its (nonzero) digits is 16800, while the sum is 35.

Adding to 40040017561151 its reverse (15116571004004), we get a palindrome (55156588565155).

The spelling of 40040017561151 in words is "forty trillion, forty billion, seventeen million, five hundred sixty-one thousand, one hundred fifty-one".