2640229410 has 128 divisors (see below), whose sum is σ = 7820144640. Its totient is φ = 555538176.

The previous prime is 2640229391. The next prime is 2640229429. The reversal of 2640229410 is 149220462.

2640229410 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2640229391) and next prime (2640229429).

It is a super-2 number, since 2×2640229410² = 13941622674857896200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1197369 + ... + 1199571.

It is an arithmetic number, because the mean of its divisors is an integer number (61094880).

Almost surely, 2^2640229410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2640229410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3910072320).

2640229410 is an abundant number, since it is smaller than the sum of its proper divisors (5179915230).

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

2640229410 is a wasteful number, since it uses less digits than its factorization.

2640229410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2640229410 is about 51383.1627091988. The cubic root of 2640229410 is about 1382.1246781809.

Adding to 2640229410 its reverse (149220462), we get a palindrome (2789449872).

The spelling of 2640229410 in words is "two billion, six hundred forty million, two hundred twenty-nine thousand, four hundred ten".