40115315412242 has 16 divisors (see below), whose sum is σ = 72388539090240. Its totient is φ = 16287421295088.

The previous prime is 40115315412233. The next prime is 40115315412251. The reversal of 40115315412242 is 24221451351104.

It is an interprime number because it is at equal distance from previous prime (40115315412233) and next prime (40115315412251).

It is a super-3 number, since 3×40115315412242³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75404727953 + ... + 75404728484.

It is an arithmetic number, because the mean of its divisors is an integer number (4524283693140).

Almost surely, 2^{40115315412242} is an apocalyptic number.

40115315412242 is a deficient number, since it is larger than the sum of its proper divisors (32273223677998).

40115315412242 is a wasteful number, since it uses less digits than its factorization.

40115315412242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150809456465.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 40115315412242 its reverse (24221451351104), we get a palindrome (64336766763346).

The spelling of 40115315412242 in words is "forty trillion, one hundred fifteen billion, three hundred fifteen million, four hundred twelve thousand, two hundred forty-two".