40530544445 has 8 divisors (see below), whose sum is σ = 49091202144. Its totient is φ = 32121403024.

The previous prime is 40530544429. The next prime is 40530544447. The reversal of 40530544445 is 54444503504.

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 40530544445 - 2⁴ = 40530544429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40530544399 and 40530544408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40530544447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37878479 + ... + 37879548.

It is an arithmetic number, because the mean of its divisors is an integer number (6136400268).

Almost surely, 2^40530544445 is an apocalyptic number.

It is an amenable number.

40530544445 is a deficient number, since it is larger than the sum of its proper divisors (8560657699).

40530544445 is a wasteful number, since it uses less digits than its factorization.

40530544445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75758139.

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

The spelling of 40530544445 in words is "forty billion, five hundred thirty million, five hundred forty-four thousand, four hundred forty-five".