2715155772 has 96 divisors (see below), whose sum is σ = 7315660800. Its totient is φ = 767746752.

The previous prime is 2715155761. The next prime is 2715155777. The reversal of 2715155772 is 2775515172.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2715155777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5397673 + ... + 5398175.

It is an arithmetic number, because the mean of its divisors is an integer number (76204800).

Almost surely, 2^2715155772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2715155772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3657830400).

2715155772 is an abundant number, since it is smaller than the sum of its proper divisors (4600505028).

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

2715155772 is a wasteful number, since it uses less digits than its factorization.

2715155772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1053 counting only the distinct ones).

The product of its digits is 171500, while the sum is 42.

The square root of 2715155772 is about 52107.1566293921. The cubic root of 2715155772 is about 1395.0772295728.

The spelling of 2715155772 in words is "two billion, seven hundred fifteen million, one hundred fifty-five thousand, seven hundred seventy-two".