4217496520 has 32 divisors (see below), whose sum is σ = 9491236920. Its totient is φ = 1686666240.

The previous prime is 4217496509. The next prime is 4217496533. The reversal of 4217496520 is 256947124.

It can be written as a sum of positive squares in 4 ways, for example, as 4111117924 + 106378596 = 64118^2 + 10314^2 .

It is a super-3 number, since 3×4217496520³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346864 + ... + 358816.

Almost surely, 2^4217496520 is an apocalyptic number.

4217496520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4217496520 is an abundant number, since it is smaller than the sum of its proper divisors (5273740400).

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

4217496520 is a wasteful number, since it uses less digits than its factorization.

4217496520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20785 (or 20781 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 4217496520 is about 64942.2552734350. The cubic root of 4217496520 is about 1615.6659696245.

The spelling of 4217496520 in words is "four billion, two hundred seventeen million, four hundred ninety-six thousand, five hundred twenty".