40244222140 has 24 divisors (see below), whose sum is σ = 85945290480. Its totient is φ = 15824846208.

The previous prime is 40244222131. The next prime is 40244222143. The reversal of 40244222140 is 4122244204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244222143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17051457 + ... + 17053816.

It is an arithmetic number, because the mean of its divisors is an integer number (3581053770).

Almost surely, 2^40244222140 is an apocalyptic number.

It is an amenable number.

40244222140 is an abundant number, since it is smaller than the sum of its proper divisors (45701068340).

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

40244222140 is a wasteful number, since it uses less digits than its factorization.

40244222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34105341 (or 34105339 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 40244222140 its reverse (4122244204), we get a palindrome (44366466344).

The spelling of 40244222140 in words is "forty billion, two hundred forty-four million, two hundred twenty-two thousand, one hundred forty".