40235655503479 has 2 divisors, whose sum is σ = 40235655503480. Its totient is φ = 40235655503478.

The previous prime is 40235655503357. The next prime is 40235655503503. The reversal of 40235655503479 is 97430555653204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40235655503479 is a prime.

It is a super-2 number, since 2×40235655503479² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40235655503579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20117827751739 + 20117827751740.

It is an arithmetic number, because the mean of its divisors is an integer number (20117827751740).

Almost surely, 2^{40235655503479} is an apocalyptic number.

40235655503479 is a deficient number, since it is larger than the sum of its proper divisors (1).

40235655503479 is an equidigital number, since it uses as much as digits as its factorization.

40235655503479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040000, while the sum is 58.

The spelling of 40235655503479 in words is "forty trillion, two hundred thirty-five billion, six hundred fifty-five million, five hundred three thousand, four hundred seventy-nine".