2715439728 has 40 divisors (see below), whose sum is σ = 7087216528. Its totient is φ = 895813632.

The previous prime is 2715439709. The next prime is 2715439747. The reversal of 2715439728 is 8279345172.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2715439709) and next prime (2715439747).

It is a super-2 number, since 2×2715439728² = 14747225832801427968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286951 + ... + 296262.

Almost surely, 2^2715439728 is an apocalyptic number.

It is an amenable number.

2715439728 is an abundant number, since it is smaller than the sum of its proper divisors (4371776800).

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

2715439728 is a wasteful number, since it uses less digits than its factorization.

2715439728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583321 (or 583315 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 2715439728 is about 52109.8812894445. The cubic root of 2715439728 is about 1395.1258611277.

The spelling of 2715439728 in words is "two billion, seven hundred fifteen million, four hundred thirty-nine thousand, seven hundred twenty-eight".