40015445372 has 24 divisors (see below), whose sum is σ = 80058066816. Its totient is φ = 17143653168.

The previous prime is 40015445341. The next prime is 40015445377. The reversal of 40015445372 is 27354451004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40015445377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158198 + ... + 324125.

It is an arithmetic number, because the mean of its divisors is an integer number (3335752784).

Almost surely, 2^40015445372 is an apocalyptic number.

It is an amenable number.

40015445372 is an abundant number, since it is smaller than the sum of its proper divisors (40042621444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40015445372 is a wasteful number, since it uses less digits than its factorization.

40015445372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485297 (or 485295 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

Adding to 40015445372 its reverse (27354451004), we get a palindrome (67369896376).

The spelling of 40015445372 in words is "forty billion, fifteen million, four hundred forty-five thousand, three hundred seventy-two".