400113351 has 48 divisors (see below), whose sum is σ = 658240128. Its totient is φ = 240861600.

The previous prime is 400113349. The next prime is 400113353. The reversal of 400113351 is 153311004.

It is an interprime number because it is at equal distance from previous prime (400113349) and next prime (400113353).

It is not a de Polignac number, because 400113351 - 2¹ = 400113349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400113353) 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 47 ways as a sum of consecutive naturals, for example, 483400 + ... + 484226.

It is an arithmetic number, because the mean of its divisors is an integer number (13713336).

Almost surely, 2^400113351 is an apocalyptic number.

400113351 is a deficient number, since it is larger than the sum of its proper divisors (258126777).

400113351 is a wasteful number, since it uses less digits than its factorization.

400113351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 400113351 is about 20002.8335742714. The cubic root of 400113351 is about 736.8758912640.

Adding to 400113351 its reverse (153311004), we get a palindrome (553424355).

The spelling of 400113351 in words is "four hundred million, one hundred thirteen thousand, three hundred fifty-one".