40401146125 has 8 divisors (see below), whose sum is σ = 50420630520. Its totient is φ = 32320916800.

The previous prime is 40401146113. The next prime is 40401146143. The reversal of 40401146125 is 52164110404.

It can be written as a sum of positive squares in 4 ways, for example, as 5472152676 + 34928993449 = 73974^2 + 186893^2 .

It is not a de Polignac number, because 40401146125 - 2²¹ = 40399048973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40401146093 and 40401146102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161604460 + ... + 161604709.

It is an arithmetic number, because the mean of its divisors is an integer number (6302578815).

Almost surely, 2^40401146125 is an apocalyptic number.

It is an amenable number.

40401146125 is a deficient number, since it is larger than the sum of its proper divisors (10019484395).

40401146125 is an equidigital number, since it uses as much as digits as its factorization.

40401146125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323209184 (or 323209174 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 40401146125 its reverse (52164110404), we get a palindrome (92565256529).

The spelling of 40401146125 in words is "forty billion, four hundred one million, one hundred forty-six thousand, one hundred twenty-five".