40616434454 has 4 divisors (see below), whose sum is σ = 60924651684. Its totient is φ = 20308217226.

The previous prime is 40616434433. The next prime is 40616434487. The reversal of 40616434454 is 45443461604.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10154108612 + ... + 10154108615.

It is an arithmetic number, because the mean of its divisors is an integer number (15231162921).

Almost surely, 2^40616434454 is an apocalyptic number.

40616434454 is a deficient number, since it is larger than the sum of its proper divisors (20308217230).

40616434454 is a wasteful number, since it uses less digits than its factorization.

40616434454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20308217229.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 40616434454 in words is "forty billion, six hundred sixteen million, four hundred thirty-four thousand, four hundred fifty-four".