40530220313144 has 16 divisors (see below), whose sum is σ = 75998536609200. Its totient is φ = 20263943884032.

The previous prime is 40530220313083. The next prime is 40530220313147. The reversal of 40530220313144 is 44131302203504.

It is a self number, because there is not a number n which added to its sum of digits gives 40530220313144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40530220313147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145636364 + ... + 145914395.

It is an arithmetic number, because the mean of its divisors is an integer number (4749908538075).

Almost surely, 2^{40530220313144} is an apocalyptic number.

It is an amenable number.

40530220313144 is a deficient number, since it is larger than the sum of its proper divisors (35468316296056).

40530220313144 is a wasteful number, since it uses less digits than its factorization.

40530220313144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291568142 (or 291568138 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 40530220313144 its reverse (44131302203504), we get a palindrome (84661522516648).

The spelling of 40530220313144 in words is "forty trillion, five hundred thirty billion, two hundred twenty million, three hundred thirteen thousand, one hundred forty-four".