40162546445 has 24 divisors (see below), whose sum is σ = 56559813624. Its totient is φ = 27296295936.

The previous prime is 40162546429. The next prime is 40162546447. The reversal of 40162546445 is 54464526104.

It can be written as a sum of positive squares in 4 ways, for example, as 1644951364 + 38517595081 = 40558^2 + 196259^2 .

It is not a de Polignac number, because 40162546445 - 2⁴ = 40162546429 is a prime.

It is a super-2 number, since 2×40162546445² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40162546447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 697664 + ... + 753033.

It is an arithmetic number, because the mean of its divisors is an integer number (2356658901).

Almost surely, 2^40162546445 is an apocalyptic number.

It is an amenable number.

40162546445 is a deficient number, since it is larger than the sum of its proper divisors (16397267179).

40162546445 is a wasteful number, since it uses less digits than its factorization.

40162546445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450829 (or 1450822 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 40162546445 in words is "forty billion, one hundred sixty-two million, five hundred forty-six thousand, four hundred forty-five".