400136301055 has 16 divisors (see below), whose sum is σ = 490366224000. Its totient is φ = 313378489600.

The previous prime is 400136301049. The next prime is 400136301083. The reversal of 400136301055 is 550103631004.

It is not a de Polignac number, because 400136301055 - 2¹³ = 400136292863 is a prime.

It is a super-2 number, since 2×400136301055² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4406455 + ... + 4496344.

It is an arithmetic number, because the mean of its divisors is an integer number (30647889000).

Almost surely, 2^400136301055 is an apocalyptic number.

400136301055 is a deficient number, since it is larger than the sum of its proper divisors (90229922945).

400136301055 is a wasteful number, since it uses less digits than its factorization.

400136301055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8902994.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 400136301055 its reverse (550103631004), we get a palindrome (950239932059).

The spelling of 400136301055 in words is "four hundred billion, one hundred thirty-six million, three hundred one thousand, fifty-five".