40545606454 has 4 divisors (see below), whose sum is σ = 60818409684. Its totient is φ = 20272803226.

The previous prime is 40545606319. The next prime is 40545606461. The reversal of 40545606454 is 45460654504.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40545606454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10136401612 + ... + 10136401615.

It is an arithmetic number, because the mean of its divisors is an integer number (15204602421).

Almost surely, 2^40545606454 is an apocalyptic number.

40545606454 is a deficient number, since it is larger than the sum of its proper divisors (20272803230).

40545606454 is a wasteful number, since it uses less digits than its factorization.

40545606454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20272803229.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 40545606454 in words is "forty billion, five hundred forty-five million, six hundred six thousand, four hundred fifty-four".