400341351 has 4 divisors (see below), whose sum is σ = 533788472. Its totient is φ = 266894232.

The previous prime is 400341349. The next prime is 400341367. The reversal of 400341351 is 153143004.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 400341351 - 2¹ = 400341349 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 (400341301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66723556 + ... + 66723561.

It is an arithmetic number, because the mean of its divisors is an integer number (133447118).

Almost surely, 2^400341351 is an apocalyptic number.

400341351 is a deficient number, since it is larger than the sum of its proper divisors (133447121).

400341351 is a wasteful number, since it uses less digits than its factorization.

400341351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133447120.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 400341351 is about 20008.5319551435. The cubic root of 400341351 is about 737.0158314422.

Adding to 400341351 its reverse (153143004), we get a palindrome (553484355).

It can be divided in two parts, 4003 and 41351, that added together give a palindrome (45354).

The spelling of 400341351 in words is "four hundred million, three hundred forty-one thousand, three hundred fifty-one".