2445551662 has 4 divisors (see below), whose sum is σ = 3668327496. Its totient is φ = 1222775830.

The previous prime is 2445551651. The next prime is 2445551663. The reversal of 2445551662 is 2661555442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445551663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611387914 + ... + 611387917.

It is an arithmetic number, because the mean of its divisors is an integer number (917081874).

Almost surely, 2^2445551662 is an apocalyptic number.

2445551662 is a deficient number, since it is larger than the sum of its proper divisors (1222775834).

2445551662 is a wasteful number, since it uses less digits than its factorization.

2445551662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222775833.

The product of its digits is 288000, while the sum is 40.

The square root of 2445551662 is about 49452.5192684862. The cubic root of 2445551662 is about 1347.2833639869.

The spelling of 2445551662 in words is "two billion, four hundred forty-five million, five hundred fifty-one thousand, six hundred sixty-two".