50402599520405 has 16 divisors (see below), whose sum is σ = 65983444608384. Its totient is φ = 36655402802880.

The previous prime is 50402599520401. The next prime is 50402599520407.

It is a happy number.

50402599520405 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 50402599520405 - 2² = 50402599520401 is a prime.

It is a super-2 number, since 2×50402599520405² (a number of 28 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 (50402599520401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10943402 + ... + 14851371.

It is an arithmetic number, because the mean of its divisors is an integer number (4123965288024).

Almost surely, 2^{50402599520405} is an apocalyptic number.

50402599520405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50402599520405 is a deficient number, since it is larger than the sum of its proper divisors (15580845087979).

50402599520405 is a wasteful number, since it uses less digits than its factorization.

50402599520405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25830316.

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 50402599520405 in words is "fifty trillion, four hundred two billion, five hundred ninety-nine million, five hundred twenty thousand, four hundred five".