2955649920 has 256 divisors, whose sum is σ = 10104756480. Its totient is φ = 732200960.

The previous prime is 2955649819. The next prime is 2955649951. The reversal of 2955649920 is 299465592.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

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, 2708575 + ... + 2709665.

It is an arithmetic number, because the mean of its divisors is an integer number (39471705).

Almost surely, 2^2955649920 is an apocalyptic number.

2955649920 is a gapful number since it is divisible by the number (20) 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 2955649920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5052378240).

2955649920 is an abundant number, since it is smaller than the sum of its proper divisors (7149106560).

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

2955649920 is a wasteful number, since it uses less digits than its factorization.

2955649920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The square root of 2955649920 is about 54365.8893057034. The cubic root of 2955649920 is about 1435.1071593381.

The spelling of 2955649920 in words is "two billion, nine hundred fifty-five million, six hundred forty-nine thousand, nine hundred twenty".