40477255636501 has 4 divisors (see below), whose sum is σ = 40489263131904. Its totient is φ = 40465248141100.

The previous prime is 40477255636469. The next prime is 40477255636511. The reversal of 40477255636501 is 10563655277404.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40477255636501 - 2⁵ = 40477255636469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40477255636511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6003742645 + ... + 6003749386.

It is an arithmetic number, because the mean of its divisors is an integer number (10122315782976).

Almost surely, 2^{40477255636501} is an apocalyptic number.

It is an amenable number.

40477255636501 is a deficient number, since it is larger than the sum of its proper divisors (12007495403).

40477255636501 is a wasteful number, since it uses less digits than its factorization.

40477255636501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12007495402.

The product of its (nonzero) digits is 21168000, while the sum is 55.

The spelling of 40477255636501 in words is "forty trillion, four hundred seventy-seven billion, two hundred fifty-five million, six hundred thirty-six thousand, five hundred one".