400430103320 has 64 divisors (see below), whose sum is σ = 1027347844320. Its totient is φ = 139153987584.

The previous prime is 400430103319. The next prime is 400430103331. The reversal of 400430103320 is 23301034004.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 400430103292 and 400430103301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22639922 + ... + 22657601.

Almost surely, 2^400430103320 is an apocalyptic number.

400430103320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400430103320 is an abundant number, since it is smaller than the sum of its proper divisors (626917741000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400430103320 is a wasteful number, since it uses less digits than its factorization.

400430103320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45297564 (or 45297560 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 400430103320 its reverse (23301034004), we get a palindrome (423731137324).

The spelling of 400430103320 in words is "four hundred billion, four hundred thirty million, one hundred three thousand, three hundred twenty".