40244156128 has 48 divisors (see below), whose sum is σ = 86494625280. Its totient is φ = 18279856000.

The previous prime is 40244156123. The next prime is 40244156129. The reversal of 40244156128 is 82165144204.

It is a super-3 number, since 3×40244156128³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244156123) 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, 466803 + ... + 546253.

It is an arithmetic number, because the mean of its divisors is an integer number (1801971360).

Almost surely, 2^40244156128 is an apocalyptic number.

It is an amenable number.

40244156128 is an abundant number, since it is smaller than the sum of its proper divisors (46250469152).

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

40244156128 is a wasteful number, since it uses less digits than its factorization.

40244156128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80911 (or 80903 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The spelling of 40244156128 in words is "forty billion, two hundred forty-four million, one hundred fifty-six thousand, one hundred twenty-eight".