400223504352425 has 12 divisors (see below), whose sum is σ = 534452310427980. Its totient is φ = 295549664752320.

The previous prime is 400223504352391. The next prime is 400223504352491. The reversal of 400223504352425 is 524253405322004.

It can be written as a sum of positive squares in 6 ways, for example, as 150174559412329 + 250048944940096 = 12254573^2 + 15812936^2 .

It is not a de Polignac number, because 400223504352425 - 2¹⁶ = 400223504286889 is a prime.

It is a super-2 number, since 2×400223504352425² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 615728467910 + ... + 615728468559.

It is an arithmetic number, because the mean of its divisors is an integer number (44537692535665).

Almost surely, 2^{400223504352425} is an apocalyptic number.

It is an amenable number.

400223504352425 is a deficient number, since it is larger than the sum of its proper divisors (134228806075555).

400223504352425 is a wasteful number, since it uses less digits than its factorization.

400223504352425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231456936492 (or 1231456936487 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 400223504352425 its reverse (524253405322004), we get a palindrome (924476909674429).

The spelling of 400223504352425 in words is "four hundred trillion, two hundred twenty-three billion, five hundred four million, three hundred fifty-two thousand, four hundred twenty-five".