40774770668451 has 4 divisors (see below), whose sum is σ = 54366360891272. Its totient is φ = 27183180445632.

The previous prime is 40774770668447. The next prime is 40774770668459. The reversal of 40774770668451 is 15486607747704.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40774770668451 - 2² = 40774770668447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40774770668459) 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, 6795795111406 + ... + 6795795111411.

It is an arithmetic number, because the mean of its divisors is an integer number (13591590222818).

Almost surely, 2^{40774770668451} is an apocalyptic number.

40774770668451 is a deficient number, since it is larger than the sum of its proper divisors (13591590222821).

40774770668451 is a wasteful number, since it uses less digits than its factorization.

40774770668451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13591590222820.

The product of its (nonzero) digits is 221276160, while the sum is 66.

The spelling of 40774770668451 in words is "forty trillion, seven hundred seventy-four billion, seven hundred seventy million, six hundred sixty-eight thousand, four hundred fifty-one".