40400000053 has 12 divisors (see below), whose sum is σ = 47000872812. Its totient is φ = 34624920960.

The previous prime is 40400000033. The next prime is 40400000071. The reversal of 40400000053 is 35000000404.

It can be written as a sum of positive squares in 2 ways, for example, as 3864735889 + 36535264164 = 62167^2 + 191142^2 .

It is not a de Polignac number, because 40400000053 - 2¹⁷ = 40399868981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40399999982 and 40400000036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400000033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 492973 + ... + 569053.

It is an arithmetic number, because the mean of its divisors is an integer number (3916739401).

Almost surely, 2^40400000053 is an apocalyptic number.

It is an amenable number.

40400000053 is a deficient number, since it is larger than the sum of its proper divisors (6600872759).

40400000053 is a wasteful number, since it uses less digits than its factorization.

40400000053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86932 (or 86925 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

Adding to 40400000053 its reverse (35000000404), we get a palindrome (75400000457).

The spelling of 40400000053 in words is "forty billion, four hundred million, fifty-three", and thus it is an aban number.