40244436551373 has 4 divisors (see below), whose sum is σ = 53659248735168. Its totient is φ = 26829624367580.

The previous prime is 40244436551281. The next prime is 40244436551381. The reversal of 40244436551373 is 37315563444204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40244436551373 - 2¹⁴ = 40244436534989 is a prime.

It is a super-2 number, since 2×40244436551373² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244436551573) 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, 6707406091893 + ... + 6707406091898.

It is an arithmetic number, because the mean of its divisors is an integer number (13414812183792).

Almost surely, 2^{40244436551373} is an apocalyptic number.

It is an amenable number.

40244436551373 is a deficient number, since it is larger than the sum of its proper divisors (13414812183795).

40244436551373 is a wasteful number, since it uses less digits than its factorization.

40244436551373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13414812183794.

The product of its (nonzero) digits is 14515200, while the sum is 51.

Adding to 40244436551373 its reverse (37315563444204), we get a palindrome (77559999995577).

The spelling of 40244436551373 in words is "forty trillion, two hundred forty-four billion, four hundred thirty-six million, five hundred fifty-one thousand, three hundred seventy-three".