40051000424 has 8 divisors (see below), whose sum is σ = 75095625810. Its totient is φ = 20025500208.

The previous prime is 40051000421. The next prime is 40051000469. The reversal of 40051000424 is 42400015004.

It can be written as a sum of positive squares in only one way, i.e., 22894716100 + 17156284324 = 151310^2 + 130982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 40051000396 and 40051000405.

It is not an unprimeable number, because it can be changed into a prime (40051000421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2503187519 + ... + 2503187534.

Almost surely, 2^40051000424 is an apocalyptic number.

It is an amenable number.

40051000424 is a deficient number, since it is larger than the sum of its proper divisors (35044625386).

40051000424 is a wasteful number, since it uses less digits than its factorization.

40051000424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006375059 (or 5006375055 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 40051000424 its reverse (42400015004), we get a palindrome (82451015428).

The spelling of 40051000424 in words is "forty billion, fifty-one million, four hundred twenty-four", and thus it is an aban number.