2946269840 has 40 divisors (see below), whose sum is σ = 7017160248. Its totient is φ = 1149762560.

The previous prime is 2946269839. The next prime is 2946269849. The reversal of 2946269840 is 489626492.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 430645504 + 2515624336 = 20752^2 + 50156^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2946269849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445847 + ... + 452406.

Almost surely, 2^2946269840 is an apocalyptic number.

2946269840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2946269840 is an abundant number, since it is smaller than the sum of its proper divisors (4070890408).

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

2946269840 is a wasteful number, since it uses less digits than its factorization.

2946269840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898307 (or 898301 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The square root of 2946269840 is about 54279.5526879137. The cubic root of 2946269840 is about 1433.5873937004.

The spelling of 2946269840 in words is "two billion, nine hundred forty-six million, two hundred sixty-nine thousand, eight hundred forty".