400026063 has 8 divisors (see below), whose sum is σ = 533541888. Its totient is φ = 266597144.

The previous prime is 400026061. The next prime is 400026073. The reversal of 400026063 is 360620004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400026063 - 2¹ = 400026061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400026061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10095 + ... + 30032.

It is an arithmetic number, because the mean of its divisors is an integer number (66692736).

Almost surely, 2^400026063 is an apocalyptic number.

400026063 is a deficient number, since it is larger than the sum of its proper divisors (133515825).

400026063 is a wasteful number, since it uses less digits than its factorization.

400026063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43453.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 400026063 is about 20000.6515643866. The cubic root of 400026063 is about 736.8223021993.

Adding to 400026063 its reverse (360620004), we get a palindrome (760646067).

The spelling of 400026063 in words is "four hundred million, twenty-six thousand, sixty-three".