5820215040 has 144 divisors (see below), whose sum is σ = 20653802400. Its totient is φ = 1552048128.

The previous prime is 5820214993. The next prime is 5820215057. The reversal of 5820215040 is 405120285.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×5820215040² = 67749806223684403200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 5820214995 and 5820215013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49645 + ... + 118764.

Almost surely, 2^5820215040 is an apocalyptic number.

It is an amenable number.

5820215040 is an abundant number, since it is smaller than the sum of its proper divisors (14833587360).

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

5820215040 is a wasteful number, since it uses less digits than its factorization.

5820215040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168439 (or 168419 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 5820215040 is about 76290.3338569179. Note that the first 3 decimals coincide. The cubic root of 5820215040 is about 1798.7867379589.

The spelling of 5820215040 in words is "five billion, eight hundred twenty million, two hundred fifteen thousand, forty".