40544533153 has 2 divisors, whose sum is σ = 40544533154. Its totient is φ = 40544533152.

The previous prime is 40544533109. The next prime is 40544533199. The reversal of 40544533153 is 35133544504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38576102464 + 1968430689 = 196408^2 + 44367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40544533153 is a prime.

It is a super-2 number, since 2×40544533153² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40544533103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20272266576 + 20272266577.

It is an arithmetic number, because the mean of its divisors is an integer number (20272266577).

Almost surely, 2^40544533153 is an apocalyptic number.

It is an amenable number.

40544533153 is a deficient number, since it is larger than the sum of its proper divisors (1).

40544533153 is an equidigital number, since it uses as much as digits as its factorization.

40544533153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 40544533153 in words is "forty billion, five hundred forty-four million, five hundred thirty-three thousand, one hundred fifty-three".