45522215040 has 128 divisors (see below), whose sum is σ = 145201896000. Its totient is φ = 12130906112.

The previous prime is 45522215023. The next prime is 45522215047. The reversal of 45522215040 is 4051222554.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a junction number, because it is equal to n+sod(n) for n = 45522214989 and 45522215007.

It is not an unprimeable number, because it can be changed into a prime (45522215047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3089611 + ... + 3104309.

Almost surely, 2^45522215040 is an apocalyptic number.

45522215040 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 45522215040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72600948000).

45522215040 is an abundant number, since it is smaller than the sum of its proper divisors (99679680960).

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

45522215040 is a wasteful number, since it uses less digits than its factorization.

45522215040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16334 (or 16322 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 45522215040 its reverse (4051222554), we get a palindrome (49573437594).

The spelling of 45522215040 in words is "forty-five billion, five hundred twenty-two million, two hundred fifteen thousand, forty".