400345053254 has 8 divisors (see below), whose sum is σ = 615164350248. Its totient is φ = 195290269840.

The previous prime is 400345053239. The next prime is 400345053257. The reversal of 400345053254 is 452350543004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400345053257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2441128292 + ... + 2441128455.

It is an arithmetic number, because the mean of its divisors is an integer number (76895543781).

Almost surely, 2^400345053254 is an apocalyptic number.

400345053254 is a deficient number, since it is larger than the sum of its proper divisors (214819296994).

400345053254 is a wasteful number, since it uses less digits than its factorization.

400345053254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882256790.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 400345053254 its reverse (452350543004), we get a palindrome (852695596258).

The spelling of 400345053254 in words is "four hundred billion, three hundred forty-five million, fifty-three thousand, two hundred fifty-four".