1000400350 has 48 divisors (see below), whose sum is σ = 1967731200. Its totient is φ = 377347680.

The previous prime is 1000400347. The next prime is 1000400363. The reversal of 1000400350 is 530040001.

It is a self number, because there is not a number n which added to its sum of digits gives 1000400350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213331 + ... + 217969.

It is an arithmetic number, because the mean of its divisors is an integer number (40994400).

Almost surely, 2^1000400350 is an apocalyptic number.

1000400350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000400350 is a deficient number, since it is larger than the sum of its proper divisors (967330850).

1000400350 is a wasteful number, since it uses less digits than its factorization.

1000400350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897 (or 4892 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1000400350 is about 31629.1060575540. The cubic root of 1000400350 is about 1000.1334321951.

Adding to 1000400350 its reverse (530040001), we get a palindrome (1530440351).

The spelling of 1000400350 in words is "one billion, four hundred thousand, three hundred fifty".