545520150400 has 192 divisors, whose sum is σ = 1369228212000. Its totient is φ = 214718873600.

The previous prime is 545520150347. The next prime is 545520150433. The reversal of 545520150400 is 4051025545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134727576 + ... + 134731624.

Almost surely, 2^545520150400 is an apocalyptic number.

545520150400 is a gapful number since it is divisible by the number (50) 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 545520150400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684614106000).

545520150400 is an abundant number, since it is smaller than the sum of its proper divisors (823708061600).

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

545520150400 is a wasteful number, since it uses less digits than its factorization.

545520150400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737 (or 4720 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

Adding to 545520150400 its reverse (4051025545), we get a palindrome (549571175945).

The spelling of 545520150400 in words is "five hundred forty-five billion, five hundred twenty million, one hundred fifty thousand, four hundred".