40654934145455 has 16 divisors (see below), whose sum is σ = 56276416189440. Its totient is φ = 27617130161952.

The previous prime is 40654934145451. The next prime is 40654934145467. The reversal of 40654934145455 is 55454143945604.

It is a cyclic number.

It is not a de Polignac number, because 40654934145455 - 2² = 40654934145451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40654934145394 and 40654934145403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40654934145451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5427891335 + ... + 5427898824.

It is an arithmetic number, because the mean of its divisors is an integer number (3517276011840).

Almost surely, 2^{40654934145455} is an apocalyptic number.

40654934145455 is a deficient number, since it is larger than the sum of its proper divisors (15621482043985).

40654934145455 is a wasteful number, since it uses less digits than its factorization.

40654934145455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10855790278.

The product of its (nonzero) digits is 103680000, while the sum is 59.

The spelling of 40654934145455 in words is "forty trillion, six hundred fifty-four billion, nine hundred thirty-four million, one hundred forty-five thousand, four hundred fifty-five".