40901399144 has 8 divisors (see below), whose sum is σ = 76690123410. Its totient is φ = 20450699568.

The previous prime is 40901399129. The next prime is 40901399153. The reversal of 40901399144 is 44199310904.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33393176644 + 7508222500 = 182738^2 + 86650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 40901399095 and 40901399104.

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 as a sum of consecutive naturals, namely, 2556337439 + ... + 2556337454.

Almost surely, 2^40901399144 is an apocalyptic number.

It is an amenable number.

40901399144 is a deficient number, since it is larger than the sum of its proper divisors (35788724266).

40901399144 is a wasteful number, since it uses less digits than its factorization.

40901399144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112674899 (or 5112674895 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 40901399144 in words is "forty billion, nine hundred one million, three hundred ninety-nine thousand, one hundred forty-four".