400254310023045 has 64 divisors (see below), whose sum is σ = 649682384891904. Its totient is φ = 210389960551680.

The previous prime is 400254310023031. The next prime is 400254310023077. The reversal of 400254310023045 is 540320013452004.

It is not a de Polignac number, because 400254310023045 - 2⁹ = 400254310022533 is a prime.

It is a super-2 number, since 2×400254310023045² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400254310022997 and 400254310023015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1185478324 + ... + 1185815906.

It is an arithmetic number, because the mean of its divisors is an integer number (10151287263936).

Almost surely, 2^{400254310023045} is an apocalyptic number.

It is an amenable number.

400254310023045 is a deficient number, since it is larger than the sum of its proper divisors (249428074868859).

400254310023045 is a wasteful number, since it uses less digits than its factorization.

400254310023045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339962.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 400254310023045 its reverse (540320013452004), we get a palindrome (940574323475049).

The spelling of 400254310023045 in words is "four hundred trillion, two hundred fifty-four billion, three hundred ten million, twenty-three thousand, forty-five".