2689229940 has 48 divisors (see below), whose sum is σ = 7607487552. Its totient is φ = 709733376.

The previous prime is 2689229833. The next prime is 2689229941. The reversal of 2689229940 is 499229862.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689229941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225214 + ... + 236853.

It is an arithmetic number, because the mean of its divisors is an integer number (158489324).

Almost surely, 2^2689229940 is an apocalyptic number.

2689229940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2689229940 is an abundant number, since it is smaller than the sum of its proper divisors (4918257612).

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

2689229940 is a wasteful number, since it uses less digits than its factorization.

2689229940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462176 (or 462174 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 2689229940 is about 51857.7857221073. The cubic root of 2689229940 is about 1390.6226942789.

The spelling of 2689229940 in words is "two billion, six hundred eighty-nine million, two hundred twenty-nine thousand, nine hundred forty".