40525162321 has 12 divisors (see below), whose sum is σ = 47441788788. Its totient is φ = 34514599392.

The previous prime is 40525162319. The next prime is 40525162361. The reversal of 40525162321 is 12326152504.

It can be written as a sum of positive squares in 2 ways, for example, as 26255665296 + 14269497025 = 162036^2 + 119455^2 .

It is not a de Polignac number, because 40525162321 - 2¹ = 40525162319 is a prime.

It is a super-2 number, since 2×40525162321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40525162361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2626206 + ... + 2641591.

It is an arithmetic number, because the mean of its divisors is an integer number (3953482399).

Almost surely, 2^40525162321 is an apocalyptic number.

It is an amenable number.

40525162321 is a deficient number, since it is larger than the sum of its proper divisors (6916626467).

40525162321 is a wasteful number, since it uses less digits than its factorization.

40525162321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5267968 (or 5267961 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 40525162321 in words is "forty billion, five hundred twenty-five million, one hundred sixty-two thousand, three hundred twenty-one".