400430703271 has 8 divisors (see below), whose sum is σ = 417912827904. Its totient is φ = 382954586520.

The previous prime is 400430703251. The next prime is 400430703311. The reversal of 400430703271 is 172307034004.

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 400430703271 - 2⁷ = 400430703143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400430703251) 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, 1365495 + ... + 1632616.

It is an arithmetic number, because the mean of its divisors is an integer number (52239103488).

Almost surely, 2^400430703271 is an apocalyptic number.

400430703271 is a deficient number, since it is larger than the sum of its proper divisors (17482124633).

400430703271 is a wasteful number, since it uses less digits than its factorization.

400430703271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003941.

The product of its (nonzero) digits is 14112, while the sum is 31.

Adding to 400430703271 its reverse (172307034004), we get a palindrome (572737737275).

The spelling of 400430703271 in words is "four hundred billion, four hundred thirty million, seven hundred three thousand, two hundred seventy-one".