400022240412505 has 32 divisors (see below), whose sum is σ = 510781773028608. Its totient is φ = 299701549056000.

The previous prime is 400022240412497. The next prime is 400022240412523. The reversal of 400022240412505 is 505214042220004.

It is not a de Polignac number, because 400022240412505 - 2³ = 400022240412497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81423780 + ... + 86196730.

It is an arithmetic number, because the mean of its divisors is an integer number (15961930407144).

Almost surely, 2^{400022240412505} is an apocalyptic number.

It is an amenable number.

400022240412505 is a deficient number, since it is larger than the sum of its proper divisors (110759532616103).

400022240412505 is a wasteful number, since it uses less digits than its factorization.

400022240412505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777857.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 400022240412505 its reverse (505214042220004), we get a palindrome (905236282632509).

The spelling of 400022240412505 in words is "four hundred trillion, twenty-two billion, two hundred forty million, four hundred twelve thousand, five hundred five".