40010127651761 has 4 divisors (see below), whose sum is σ = 40169530551024. Its totient is φ = 39850724752500.

The previous prime is 40010127651719. The next prime is 40010127651869. The reversal of 40010127651761 is 16715672101004.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-40010127651761 is a prime.

It is a super-2 number, since 2×40010127651761² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40010127657761) 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, 79701449255 + ... + 79701449756.

It is an arithmetic number, because the mean of its divisors is an integer number (10042382637756).

Almost surely, 2^{40010127651761} is an apocalyptic number.

It is an amenable number.

40010127651761 is a deficient number, since it is larger than the sum of its proper divisors (159402899263).

40010127651761 is a wasteful number, since it uses less digits than its factorization.

40010127651761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159402899262.

The product of its (nonzero) digits is 70560, while the sum is 41.

Adding to 40010127651761 its reverse (16715672101004), we get a palindrome (56725799752765).

The spelling of 40010127651761 in words is "forty trillion, ten billion, one hundred twenty-seven million, six hundred fifty-one thousand, seven hundred sixty-one".