40242250144 has 24 divisors (see below), whose sum is σ = 79247433888. Its totient is φ = 20115917760.

The previous prime is 40242250123. The next prime is 40242250151. The reversal of 40242250144 is 44105224204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35622 + ... + 285925.

It is an arithmetic number, because the mean of its divisors is an integer number (3301976412).

Almost surely, 2^40242250144 is an apocalyptic number.

It is an amenable number.

40242250144 is a deficient number, since it is larger than the sum of its proper divisors (39005183744).

40242250144 is a wasteful number, since it uses less digits than its factorization.

40242250144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325468 (or 325460 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 40242250144 its reverse (44105224204), we get a palindrome (84347474348).

The spelling of 40242250144 in words is "forty billion, two hundred forty-two million, two hundred fifty thousand, one hundred forty-four".