520954416 has 100 divisors (see below), whose sum is σ = 1573439472. Its totient is φ = 166091904.

The previous prime is 520954403. The next prime is 520954429. The reversal of 520954416 is 614459025.

520954416 is a `hidden beast` number, since 5 + 209 + 5 + 441 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (520954403) and next prime (520954429).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21070 + ... + 38546.

Almost surely, 2^520954416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520954416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786719736).

520954416 is an abundant number, since it is smaller than the sum of its proper divisors (1052485056).

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

520954416 is a wasteful number, since it uses less digits than its factorization.

520954416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17520 (or 17505 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 520954416 is about 22824.4258635349. The cubic root of 520954416 is about 804.6368311560.

The spelling of 520954416 in words is "five hundred twenty million, nine hundred fifty-four thousand, four hundred sixteen".