516770400 has 144 divisors (see below), whose sum is σ = 1692172944. Its totient is φ = 136980480.

The previous prime is 516770393. The next prime is 516770407. The reversal of 516770400 is 4077615.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (516770393) and next prime (516770407).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516770407) 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, 472254 + ... + 473346.

It is an arithmetic number, because the mean of its divisors is an integer number (11751201).

Almost surely, 2^516770400 is an apocalyptic number.

516770400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516770400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846086472).

516770400 is an abundant number, since it is smaller than the sum of its proper divisors (1175402544).

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

516770400 is a wasteful number, since it uses less digits than its factorization.

516770400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 516770400 is about 22732.5845428979. The cubic root of 516770400 is about 802.4769065860.

The spelling of 516770400 in words is "five hundred sixteen million, seven hundred seventy thousand, four hundred".