546636420 has 72 divisors (see below), whose sum is σ = 1808876160. Its totient is φ = 132517440.

The previous prime is 546636413. The next prime is 546636427. The reversal of 546636420 is 24636645.

546636420 is a `hidden beast` number, since 5 + 4 + 6 + 6 + 3 + 642 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (546636413) and next prime (546636427).

It is a super-2 number, since 2×546636420² = 597622751340832800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (546636427) 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, 136060 + ... + 140019.

It is an arithmetic number, because the mean of its divisors is an integer number (25123280).

Almost surely, 2^546636420 is an apocalyptic number.

It is an amenable number.

546636420 is an abundant number, since it is smaller than the sum of its proper divisors (1262239740).

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

546636420 is a wasteful number, since it uses less digits than its factorization.

546636420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276105 (or 276100 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 546636420 is about 23380.2570559008. The cubic root of 546636420 is about 817.6476404781.

The spelling of 546636420 in words is "five hundred forty-six million, six hundred thirty-six thousand, four hundred twenty".