40654440151253 has 2 divisors, whose sum is σ = 40654440151254. Its totient is φ = 40654440151252.

The previous prime is 40654440151159. The next prime is 40654440151309. The reversal of 40654440151253 is 35215104445604.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32211504568324 + 8442935582929 = 5675518^2 + 2905673^2 .

It is a cyclic number.

It is not a de Polignac number, because 40654440151253 - 2³⁰ = 40653366409429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40654440171253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20327220075626 + 20327220075627.

It is an arithmetic number, because the mean of its divisors is an integer number (20327220075627).

Almost surely, 2^{40654440151253} is an apocalyptic number.

It is an amenable number.

40654440151253 is a deficient number, since it is larger than the sum of its proper divisors (1).

40654440151253 is an equidigital number, since it uses as much as digits as its factorization.

40654440151253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152000, while the sum is 44.

Adding to 40654440151253 its reverse (35215104445604), we get a palindrome (75869544596857).

The spelling of 40654440151253 in words is "forty trillion, six hundred fifty-four billion, four hundred forty million, one hundred fifty-one thousand, two hundred fifty-three".