40208221222501 has 4 divisors (see below), whose sum is σ = 40243154517504. Its totient is φ = 40173287927500.

The previous prime is 40208221222487. The next prime is 40208221222549. The reversal of 40208221222501 is 10522212280204.

40208221222501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40208221222501 - 2⁵ = 40208221222469 is a prime.

It is a super-3 number, since 3×40208221222501³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40208221222601) 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 3 ways as a sum of consecutive naturals, for example, 17466645775 + ... + 17466648076.

It is an arithmetic number, because the mean of its divisors is an integer number (10060788629376).

Almost surely, 2^{40208221222501} is an apocalyptic number.

It is an amenable number.

40208221222501 is a deficient number, since it is larger than the sum of its proper divisors (34933295003).

40208221222501 is a wasteful number, since it uses less digits than its factorization.

40208221222501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34933295002.

The product of its (nonzero) digits is 10240, while the sum is 31.

The spelling of 40208221222501 in words is "forty trillion, two hundred eight billion, two hundred twenty-one million, two hundred twenty-two thousand, five hundred one".