45554021040 has 160 divisors (see below), whose sum is σ = 154317123072. Its totient is φ = 11024640000.

The previous prime is 45554021039. The next prime is 45554021057. The reversal of 45554021040 is 4012045554.

45554021040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 45554020989 and 45554021007.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1572285 + ... + 1600995.

Almost surely, 2^45554021040 is an apocalyptic number.

45554021040 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 45554021040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77158561536).

45554021040 is an abundant number, since it is smaller than the sum of its proper divisors (108763102032).

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

45554021040 is a wasteful number, since it uses less digits than its factorization.

45554021040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29339 (or 29333 counting only the distinct ones).

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

Adding to 45554021040 its reverse (4012045554), we get a palindrome (49566066594).

The spelling of 45554021040 in words is "forty-five billion, five hundred fifty-four million, twenty-one thousand, forty".