40445507271 has 16 divisors (see below), whose sum is σ = 61132211840. Its totient is φ = 23579566560.

The previous prime is 40445507237. The next prime is 40445507281. The reversal of 40445507271 is 17270554404.

It is not a de Polignac number, because 40445507271 - 2¹³ = 40445499079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40445507231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27290425 + ... + 27291906.

It is an arithmetic number, because the mean of its divisors is an integer number (3820763240).

Almost surely, 2^40445507271 is an apocalyptic number.

40445507271 is a deficient number, since it is larger than the sum of its proper divisors (20686704569).

40445507271 is a wasteful number, since it uses less digits than its factorization.

40445507271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54582366.

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 40445507271 in words is "forty billion, four hundred forty-five million, five hundred seven thousand, two hundred seventy-one".