45553440000 has 180 divisors, whose sum is σ = 151501329056. Its totient is φ = 12147456000.

The previous prime is 45553439993. The next prime is 45553440007. The reversal of 45553440000 is 4435554.

It is an interprime number because it is at equal distance from previous prime (45553439993) and next prime (45553440007).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 45553440000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45553440007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 432549 + ... + 527451.

Almost surely, 2^45553440000 is an apocalyptic number.

45553440000 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 45553440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75750664528).

45553440000 is an abundant number, since it is smaller than the sum of its proper divisors (105947889056).

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

45553440000 is an frugal number, since it uses more digits than its factorization.

45553440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94942 (or 94913 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 45553440000 its reverse (4435554), we get a palindrome (45557875554).

The spelling of 45553440000 in words is "forty-five billion, five hundred fifty-three million, four hundred forty thousand".