40218432454 has 32 divisors (see below), whose sum is σ = 63640811520. Its totient is φ = 19024470432.

The previous prime is 40218432421. The next prime is 40218432467. The reversal of 40218432454 is 45423481204.

40218432454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4150387 + ... + 4160065.

It is an arithmetic number, because the mean of its divisors is an integer number (1988775360).

Almost surely, 2^40218432454 is an apocalyptic number.

40218432454 is a deficient number, since it is larger than the sum of its proper divisors (23422379066).

40218432454 is a wasteful number, since it uses less digits than its factorization.

40218432454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10684.

The product of its (nonzero) digits is 122880, while the sum is 37.

The spelling of 40218432454 in words is "forty billion, two hundred eighteen million, four hundred thirty-two thousand, four hundred fifty-four".