40042004515151 has 8 divisors (see below), whose sum is σ = 42399078150384. Its totient is φ = 37685115502720.

The previous prime is 40042004515133. The next prime is 40042004515157. The reversal of 40042004515151 is 15151540024004.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-40042004515151 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 (40042004515157) 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, 45709040 + ... + 46576821.

It is an arithmetic number, because the mean of its divisors is an integer number (5299884768798).

Almost surely, 2^{40042004515151} is an apocalyptic number.

40042004515151 is a deficient number, since it is larger than the sum of its proper divisors (2357073635233).

40042004515151 is a wasteful number, since it uses less digits than its factorization.

40042004515151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92311401.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 40042004515151 its reverse (15151540024004), we get a palindrome (55193544539155).

The spelling of 40042004515151 in words is "forty trillion, forty-two billion, four million, five hundred fifteen thousand, one hundred fifty-one".