40723860455 has 4 divisors (see below), whose sum is σ = 48868632552. Its totient is φ = 32579088360.

The previous prime is 40723860433. The next prime is 40723860481. The reversal of 40723860455 is 55406832704.

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

It is not a de Polignac number, because 40723860455 - 2¹⁴ = 40723844071 is a prime.

It is a Duffinian 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, 4072386041 + ... + 4072386050.

It is an arithmetic number, because the mean of its divisors is an integer number (12217158138).

Almost surely, 2^40723860455 is an apocalyptic number.

40723860455 is a deficient number, since it is larger than the sum of its proper divisors (8144772097).

40723860455 is an equidigital number, since it uses as much as digits as its factorization.

40723860455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8144772096.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 40723860455 in words is "forty billion, seven hundred twenty-three million, eight hundred sixty thousand, four hundred fifty-five".