45612220240 has 40 divisors (see below), whose sum is σ = 106148560968. Its totient is φ = 18227658240.

The previous prime is 45612220187. The next prime is 45612220349. The reversal of 45612220240 is 4202221654.

It can be written as a sum of positive squares in 4 ways, for example, as 2069886016 + 43542334224 = 45496^2 + 208668^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 45612220199 and 45612220208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183807 + ... + 353566.

Almost surely, 2^45612220240 is an apocalyptic number.

45612220240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45612220240 is an abundant number, since it is smaller than the sum of its proper divisors (60536340728).

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

45612220240 is a wasteful number, since it uses less digits than its factorization.

45612220240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538447 (or 538441 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 45612220240 its reverse (4202221654), we get a palindrome (49814441894).

The spelling of 45612220240 in words is "forty-five billion, six hundred twelve million, two hundred twenty thousand, two hundred forty".