40015113345 has 20 divisors (see below), whose sum is σ = 71730796500. Its totient is φ = 21341393568.

The previous prime is 40015113337. The next prime is 40015113371. The reversal of 40015113345 is 54331151004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25661156481 + 14353956864 = 160191^2 + 119808^2 .

It is not a de Polignac number, because 40015113345 - 2³ = 40015113337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49400970 + ... + 49401779.

It is an arithmetic number, because the mean of its divisors is an integer number (3586539825).

Almost surely, 2^40015113345 is an apocalyptic number.

40015113345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40015113345 is a deficient number, since it is larger than the sum of its proper divisors (31715683155).

40015113345 is an equidigital number, since it uses as much as digits as its factorization.

40015113345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98802766 (or 98802757 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 40015113345 its reverse (54331151004), we get a palindrome (94346264349).

The spelling of 40015113345 in words is "forty billion, fifteen million, one hundred thirteen thousand, three hundred forty-five".