940055005501 has 4 divisors (see below), whose sum is σ = 940298989372. Its totient is φ = 939811021632.

The previous prime is 940055005469. The next prime is 940055005507. The reversal of 940055005501 is 105500550049.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 904260257476 + 35794748025 = 950926^2 + 189195^2 .

It is a cyclic number.

It is not a de Polignac number, because 940055005501 - 2⁵ = 940055005469 is a prime.

It is a super-2 number, since 2×940055005501² (a number of 25 digits) contains 22 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 (940055005507) 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, 121986156 + ... + 121993861.

It is an arithmetic number, because the mean of its divisors is an integer number (235074747343).

Almost surely, 2^940055005501 is an apocalyptic number.

It is an amenable number.

940055005501 is a deficient number, since it is larger than the sum of its proper divisors (243983871).

940055005501 is a wasteful number, since it uses less digits than its factorization.

940055005501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243983870.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 940055005501 in words is "nine hundred forty billion, fifty-five million, five thousand, five hundred one".