546346440640 has 1008 divisors, whose sum is σ = 1898277062976. Its totient is φ = 147830538240.

The previous prime is 546346440583. The next prime is 546346440643. The reversal of 546346440640 is 46044643645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546346440643) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 419298229 + ... + 419299531.

It is an arithmetic number, because the mean of its divisors is an integer number (1883211372).

Almost surely, 2^546346440640 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 546346440640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949138531488).

546346440640 is an abundant number, since it is smaller than the sum of its proper divisors (1351930622336).

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

546346440640 is a wasteful number, since it uses less digits than its factorization.

546346440640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 46.

The spelling of 546346440640 in words is "five hundred forty-six billion, three hundred forty-six million, four hundred forty thousand, six hundred forty".