2450661620 has 24 divisors (see below), whose sum is σ = 5614243488. Its totient is φ = 891149600.

The previous prime is 2450661581. The next prime is 2450661649. The reversal of 2450661620 is 261660542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5569466 + ... + 5569905.

It is an arithmetic number, because the mean of its divisors is an integer number (233926812).

Almost surely, 2^2450661620 is an apocalyptic number.

2450661620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2450661620 is an abundant number, since it is smaller than the sum of its proper divisors (3163581868).

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

2450661620 is a wasteful number, since it uses less digits than its factorization.

2450661620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11139391 (or 11139389 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2450661620 is about 49504.1576031751. The cubic root of 2450661620 is about 1348.2210899533.

The spelling of 2450661620 in words is "two billion, four hundred fifty million, six hundred sixty-one thousand, six hundred twenty".