40244142323131 has 16 divisors (see below), whose sum is σ = 44206936784640. Its totient is φ = 36466029372960.

The previous prime is 40244142323111. The next prime is 40244142323137. The reversal of 40244142323131 is 13132324144204.

It is not a de Polignac number, because 40244142323131 - 2⁷ = 40244142323003 is a prime.

It is a super-2 number, since 2×40244142323131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40244142323137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3853636 + ... + 9764158.

It is an arithmetic number, because the mean of its divisors is an integer number (2762933549040).

Almost surely, 2^{40244142323131} is an apocalyptic number.

40244142323131 is a deficient number, since it is larger than the sum of its proper divisors (3962794461509).

40244142323131 is a wasteful number, since it uses less digits than its factorization.

40244142323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5926146.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 40244142323131 its reverse (13132324144204), we get a palindrome (53376466467335).

The spelling of 40244142323131 in words is "forty trillion, two hundred forty-four billion, one hundred forty-two million, three hundred twenty-three thousand, one hundred thirty-one".