440250155140 has 24 divisors (see below), whose sum is σ = 924537925080. Its totient is φ = 176097662208.

The previous prime is 440250155129. The next prime is 440250155161. The reversal of 440250155140 is 41551052044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 161565410304 + 278684744836 = 401952^2 + 527906^2 .

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 7 ways as a sum of consecutive naturals, for example, 2473456 + ... + 2645464.

It is an arithmetic number, because the mean of its divisors is an integer number (38522413545).

Almost surely, 2^440250155140 is an apocalyptic number.

It is an amenable number.

440250155140 is an abundant number, since it is smaller than the sum of its proper divisors (484287769940).

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

440250155140 is a wasteful number, since it uses less digits than its factorization.

440250155140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299991 (or 299989 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 440250155140 in words is "four hundred forty billion, two hundred fifty million, one hundred fifty-five thousand, one hundred forty".