400350355 has 8 divisors (see below), whose sum is σ = 484204032. Its totient is φ = 317757888.

The previous prime is 400350347. The next prime is 400350359. The reversal of 400350355 is 553053004.

It is a happy number.

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 400350355 - 2³ = 400350347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400350359) 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, 314602 + ... + 315871.

It is an arithmetic number, because the mean of its divisors is an integer number (60525504).

Almost surely, 2^400350355 is an apocalyptic number.

400350355 is a deficient number, since it is larger than the sum of its proper divisors (83853677).

400350355 is a wasteful number, since it uses less digits than its factorization.

400350355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630605.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 400350355 is about 20008.7569578922. The cubic root of 400350355 is about 737.0213567610.

The spelling of 400350355 in words is "four hundred million, three hundred fifty thousand, three hundred fifty-five".