546634440 has 384 divisors, whose sum is σ = 2068416000. Its totient is φ = 128240640.

The previous prime is 546634397. The next prime is 546634453. The reversal of 546634440 is 44436645.

It is a super-2 number, since 2×546634440² = 597618421988227200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 546634395 and 546634404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6141916 + ... + 6142004.

It is an arithmetic number, because the mean of its divisors is an integer number (5386500).

Almost surely, 2^546634440 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 546634440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034208000).

546634440 is an abundant number, since it is smaller than the sum of its proper divisors (1521781560).

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

546634440 is a wasteful number, since it uses less digits than its factorization.

546634440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 546634440 is about 23380.2147124444. The cubic root of 546634440 is about 817.6466532624.

The spelling of 546634440 in words is "five hundred forty-six million, six hundred thirty-four thousand, four hundred forty".