45518457600 has 1296 divisors, whose sum is σ = 210348203520. Its totient is φ = 9427968000.

The previous prime is 45518457547. The next prime is 45518457613. The reversal of 45518457600 is 675481554.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 143 ways as a sum of consecutive naturals, for example, 146361445 + ... + 146361755.

Almost surely, 2^45518457600 is an apocalyptic number.

45518457600 is a gapful number since it is divisible by the number (40) 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 45518457600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105174101760).

45518457600 is an abundant number, since it is smaller than the sum of its proper divisors (164829745920).

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

45518457600 is a wasteful number, since it uses less digits than its factorization.

45518457600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 45518457600 in words is "forty-five billion, five hundred eighteen million, four hundred fifty-seven thousand, six hundred".