40455104687768 has 16 divisors (see below), whose sum is σ = 76604344274160. Its totient is φ = 20027279548000.

The previous prime is 40455104687747. The next prime is 40455104687771. The reversal of 40455104687768 is 86778640155404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25034098628 + ... + 25034100243.

It is an arithmetic number, because the mean of its divisors is an integer number (4787771517135).

Almost surely, 2^{40455104687768} is an apocalyptic number.

It is an amenable number.

40455104687768 is a deficient number, since it is larger than the sum of its proper divisors (36149239586392).

40455104687768 is a wasteful number, since it uses less digits than its factorization.

40455104687768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50068198978 (or 50068198974 counting only the distinct ones).

The product of its (nonzero) digits is 180633600, while the sum is 65.

The spelling of 40455104687768 in words is "forty trillion, four hundred fifty-five billion, one hundred four million, six hundred eighty-seven thousand, seven hundred sixty-eight".