40145325775 has 12 divisors (see below), whose sum is σ = 50143567392. Its totient is φ = 31881832640.

The previous prime is 40145325757. The next prime is 40145325821. The reversal of 40145325775 is 57752354104.

It is a happy number.

It is not a de Polignac number, because 40145325775 - 2⁵ = 40145325743 is a prime.

It is a super-2 number, since 2×40145325775² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5857207 + ... + 5864056.

It is an arithmetic number, because the mean of its divisors is an integer number (4178630616).

Almost surely, 2^40145325775 is an apocalyptic number.

40145325775 is a deficient number, since it is larger than the sum of its proper divisors (9998241617).

40145325775 is a wasteful number, since it uses less digits than its factorization.

40145325775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11721410 (or 11721405 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 43.

Adding to 40145325775 its reverse (57752354104), we get a palindrome (97897679879).

The spelling of 40145325775 in words is "forty billion, one hundred forty-five million, three hundred twenty-five thousand, seven hundred seventy-five".