513400420350 has 72 divisors (see below), whose sum is σ = 1381041763920. Its totient is φ = 136737452160.

The previous prime is 513400420349. The next prime is 513400420399. The reversal of 513400420350 is 53024004315.

513400420350 is a `hidden beast` number, since 5 + 1 + 3 + 400 + 4 + 203 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 341074 + ... + 1069173.

It is an arithmetic number, because the mean of its divisors is an integer number (19181135610).

Almost surely, 2^513400420350 is an apocalyptic number.

513400420350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

513400420350 is an abundant number, since it is smaller than the sum of its proper divisors (867641343570).

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

513400420350 is a wasteful number, since it uses less digits than its factorization.

513400420350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411074 (or 1411066 counting only the distinct ones).

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

Adding to 513400420350 its reverse (53024004315), we get a palindrome (566424424665).

The spelling of 513400420350 in words is "five hundred thirteen billion, four hundred million, four hundred twenty thousand, three hundred fifty".