400354695 has 48 divisors (see below), whose sum is σ = 763281792. Its totient is φ = 192890880.

The previous prime is 400354693. The next prime is 400354727. The reversal of 400354695 is 596453004.

It is a happy number.

It is not a de Polignac number, because 400354695 - 2¹ = 400354693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400354693) 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, 20215 + ... + 34775.

It is an arithmetic number, because the mean of its divisors is an integer number (15901704).

Almost surely, 2^400354695 is an apocalyptic number.

400354695 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

400354695 is a deficient number, since it is larger than the sum of its proper divisors (362927097).

400354695 is a wasteful number, since it uses less digits than its factorization.

400354695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14632 (or 14629 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 400354695 is about 20008.8654101126. The cubic root of 400354695 is about 737.0240199793.

The spelling of 400354695 in words is "four hundred million, three hundred fifty-four thousand, six hundred ninety-five".