43620000422131 has 16 divisors (see below), whose sum is σ = 50576701603840. Its totient is φ = 36848516695200.

The previous prime is 43620000422093. The next prime is 43620000422143. The reversal of 43620000422131 is 13122400002634.

It is a happy number.

It is not a de Polignac number, because 43620000422131 - 2²⁵ = 43619966867699 is a prime.

It is a super-2 number, since 2×43620000422131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43620000422131.

It is not an unprimeable number, because it can be changed into a prime (43620000426131) 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, 162337176 + ... + 162605653.

It is an arithmetic number, because the mean of its divisors is an integer number (3161043850240).

Almost surely, 2^{43620000422131} is an apocalyptic number.

43620000422131 is a deficient number, since it is larger than the sum of its proper divisors (6956701181709).

43620000422131 is a wasteful number, since it uses less digits than its factorization.

43620000422131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324943114.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 43620000422131 its reverse (13122400002634), we get a palindrome (56742400424765).

The spelling of 43620000422131 in words is "forty-three trillion, six hundred twenty billion, four hundred twenty-two thousand, one hundred thirty-one".