400460355 has 24 divisors (see below), whose sum is σ = 719842032. Its totient is φ = 213578208.

The previous prime is 400460353. The next prime is 400460363. The reversal of 400460355 is 553064004.

400460355 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 603 + 55 = 666.

It is not a de Polignac number, because 400460355 - 2¹ = 400460353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (400460353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163584 + ... + 166013.

It is an arithmetic number, because the mean of its divisors is an integer number (29993418).

Almost surely, 2^400460355 is an apocalyptic number.

400460355 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

400460355 is a deficient number, since it is larger than the sum of its proper divisors (319381677).

400460355 is an equidigital number, since it uses as much as digits as its factorization.

400460355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329617 (or 329605 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 400460355 is about 20011.5055655490. The cubic root of 400460355 is about 737.0888517473.

The spelling of 400460355 in words is "four hundred million, four hundred sixty thousand, three hundred fifty-five".