40445043455 has 8 divisors (see below), whose sum is σ = 49258441392. Its totient is φ = 31873108608.

The previous prime is 40445043421. The next prime is 40445043469. The reversal of 40445043455 is 55434054404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40445043455 - 2⁶ = 40445043391 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 7 ways as a sum of consecutive naturals, for example, 60365402 + ... + 60366071.

It is an arithmetic number, because the mean of its divisors is an integer number (6157305174).

Almost surely, 2^40445043455 is an apocalyptic number.

40445043455 is a deficient number, since it is larger than the sum of its proper divisors (8813397937).

40445043455 is a wasteful number, since it uses less digits than its factorization.

40445043455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120731545.

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 40445043455 its reverse (55434054404), we get a palindrome (95879097859).

The spelling of 40445043455 in words is "forty billion, four hundred forty-five million, forty-three thousand, four hundred fifty-five".