45942220620 has 36 divisors (see below), whose sum is σ = 139358069760. Its totient is φ = 12251258784.

The previous prime is 45942220591. The next prime is 45942220651. The reversal of 45942220620 is 2602224954.

It is a happy number.

45942220620 is a `hidden beast` number, since 4 + 5 + 9 + 4 + 2 + 2 + 20 + 620 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×45942220620² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127617100 + ... + 127617459.

Almost surely, 2^45942220620 is an apocalyptic number.

It is an amenable number.

45942220620 is an abundant number, since it is smaller than the sum of its proper divisors (93415849140).

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

45942220620 is a wasteful number, since it uses less digits than its factorization.

45942220620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255234574 (or 255234569 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 45942220620 in words is "forty-five billion, nine hundred forty-two million, two hundred twenty thousand, six hundred twenty".