513400420152 has 80 divisors (see below), whose sum is σ = 1442904918840. Its totient is φ = 170549337024.

The previous prime is 513400420151. The next prime is 513400420153. The reversal of 513400420152 is 251024004315.

513400420152 is a `hidden beast` number, since 5 + 1 + 3 + 400 + 4 + 201 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (513400420151) and next prime (513400420153).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513400420151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1162158 + ... + 1541885.

Almost surely, 2^513400420152 is an apocalyptic number.

It is an amenable number.

513400420152 is an abundant number, since it is smaller than the sum of its proper divisors (929504498688).

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

513400420152 is a wasteful number, since it uses less digits than its factorization.

513400420152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704354 (or 2704341 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 513400420152 its reverse (251024004315), we get a palindrome (764424424467).

The spelling of 513400420152 in words is "five hundred thirteen billion, four hundred million, four hundred twenty thousand, one hundred fifty-two".