2723526390 has 128 divisors (see below), whose sum is σ = 7422492672. Its totient is φ = 634844160.

The previous prime is 2723526383. The next prime is 2723526391. The reversal of 2723526390 is 936253272.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723526391) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 565834 + ... + 570626.

It is an arithmetic number, because the mean of its divisors is an integer number (57988224).

Almost surely, 2^2723526390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2723526390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3711246336).

2723526390 is an abundant number, since it is smaller than the sum of its proper divisors (4698966282).

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

2723526390 is a wasteful number, since it uses less digits than its factorization.

2723526390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 2723526390 is about 52187.4160119085. The cubic root of 2723526390 is about 1396.5093976959.

The spelling of 2723526390 in words is "two billion, seven hundred twenty-three million, five hundred twenty-six thousand, three hundred ninety".