40621235635023 has 32 divisors (see below), whose sum is σ = 58905385329600. Its totient is φ = 24795679979520.

The previous prime is 40621235634929. The next prime is 40621235635121. The reversal of 40621235635023 is 32053653212604.

40621235635023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40621235635023 - 2²² = 40621231440719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40621235637023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12819153 + ... + 15670773.

It is an arithmetic number, because the mean of its divisors is an integer number (1840793291550).

Almost surely, 2^{40621235635023} is an apocalyptic number.

40621235635023 is a deficient number, since it is larger than the sum of its proper divisors (18284149694577).

40621235635023 is a wasteful number, since it uses less digits than its factorization.

40621235635023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859227.

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 40621235635023 its reverse (32053653212604), we get a palindrome (72674888847627).

The spelling of 40621235635023 in words is "forty trillion, six hundred twenty-one billion, two hundred thirty-five million, six hundred thirty-five thousand, twenty-three".