2934863440 has 20 divisors (see below), whose sum is σ = 6823557684. Its totient is φ = 1173945344.

The previous prime is 2934863431. The next prime is 2934863461. The reversal of 2934863440 is 443684392.

It can be written as a sum of positive squares in 2 ways, for example, as 896882704 + 2037980736 = 29948^2 + 45144^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2934863440² = 17226846822897267200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18342817 + ... + 18342976.

Almost surely, 2^2934863440 is an apocalyptic number.

2934863440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2934863440 is an abundant number, since it is smaller than the sum of its proper divisors (3888694244).

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

2934863440 is a wasteful number, since it uses less digits than its factorization.

2934863440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36685806 (or 36685800 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 2934863440 is about 54174.3799226166. The cubic root of 2934863440 is about 1431.7349701463.

The spelling of 2934863440 in words is "two billion, nine hundred thirty-four million, eight hundred sixty-three thousand, four hundred forty".