40144413515 has 8 divisors (see below), whose sum is σ = 48203024208. Its totient is φ = 32095712160.

The previous prime is 40144413499. The next prime is 40144413563. The reversal of 40144413515 is 51531444104.

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

It is not a de Polignac number, because 40144413515 - 2⁴ = 40144413499 is a prime.

It is a super-2 number, since 2×40144413515² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2468417 + ... + 2484626.

It is an arithmetic number, because the mean of its divisors is an integer number (6025378026).

Almost surely, 2^40144413515 is an apocalyptic number.

40144413515 is a deficient number, since it is larger than the sum of its proper divisors (8058610693).

40144413515 is a wasteful number, since it uses less digits than its factorization.

40144413515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954669.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 40144413515 its reverse (51531444104), we get a palindrome (91675857619).

The spelling of 40144413515 in words is "forty billion, one hundred forty-four million, four hundred thirteen thousand, five hundred fifteen".