40351206602461 has 8 divisors (see below), whose sum is σ = 42476522722400. Its totient is φ = 38226047322960.

The previous prime is 40351206602417. The next prime is 40351206602549. The reversal of 40351206602461 is 16420660215304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40351206602461 - 2²⁵ = 40351173048029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40351206600461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38681826 + ... + 39711283.

It is an arithmetic number, because the mean of its divisors is an integer number (5309565340300).

Almost surely, 2^{40351206602461} is an apocalyptic number.

It is an amenable number.

40351206602461 is a deficient number, since it is larger than the sum of its proper divisors (2125316119939).

40351206602461 is a wasteful number, since it uses less digits than its factorization.

40351206602461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78420219.

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 40351206602461 its reverse (16420660215304), we get a palindrome (56771866817765).

The spelling of 40351206602461 in words is "forty trillion, three hundred fifty-one billion, two hundred six million, six hundred two thousand, four hundred sixty-one".