400250243063 has 16 divisors (see below), whose sum is σ = 456572160000. Its totient is φ = 347316979680.

The previous prime is 400250243047. The next prime is 400250243089. The reversal of 400250243063 is 360342052004.

It is not a de Polignac number, because 400250243063 - 2⁴ = 400250243047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400250243663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1530188 + ... + 1772561.

It is an arithmetic number, because the mean of its divisors is an integer number (28535760000).

Almost surely, 2^400250243063 is an apocalyptic number.

400250243063 is a deficient number, since it is larger than the sum of its proper divisors (56321916937).

400250243063 is a wasteful number, since it uses less digits than its factorization.

400250243063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303262.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 400250243063 its reverse (360342052004), we get a palindrome (760592295067).

The spelling of 400250243063 in words is "four hundred billion, two hundred fifty million, two hundred forty-three thousand, sixty-three".