2905951380 has 96 divisors (see below), whose sum is σ = 8464659840. Its totient is φ = 743984640.

The previous prime is 2905951357. The next prime is 2905951381. The reversal of 2905951380 is 831595092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905951381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310327 + ... + 319553.

It is an arithmetic number, because the mean of its divisors is an integer number (88173540).

Almost surely, 2^2905951380 is an apocalyptic number.

2905951380 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 2905951380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4232329920).

2905951380 is an abundant number, since it is smaller than the sum of its proper divisors (5558708460).

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

2905951380 is a wasteful number, since it uses less digits than its factorization.

2905951380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9449 (or 9447 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 2905951380 is about 53906.8769267892. The cubic root of 2905951380 is about 1427.0179891715.

The spelling of 2905951380 in words is "two billion, nine hundred five million, nine hundred fifty-one thousand, three hundred eighty".