546978432 has 256 divisors, whose sum is σ = 1952133120. Its totient is φ = 131051520.

The previous prime is 546978431. The next prime is 546978449. The reversal of 546978432 is 234879645.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (546978431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383673 + ... + 385095.

It is an arithmetic number, because the mean of its divisors is an integer number (7625520).

Almost surely, 2^546978432 is an apocalyptic number.

546978432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 546978432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (976066560).

546978432 is an abundant number, since it is smaller than the sum of its proper divisors (1405154688).

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

546978432 is a wasteful number, since it uses less digits than its factorization.

546978432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1459 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 546978432 is about 23387.5700319636. The cubic root of 546978432 is about 817.8181297914.

The spelling of 546978432 in words is "five hundred forty-six million, nine hundred seventy-eight thousand, four hundred thirty-two".