269964640 has 96 divisors (see below), whose sum is σ = 700920864. Its totient is φ = 97443840.

The previous prime is 269964637. The next prime is 269964671. The reversal of 269964640 is 46469962.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275832 + ... + 276808.

It is an arithmetic number, because the mean of its divisors is an integer number (7301259).

Almost surely, 2^269964640 is an apocalyptic number.

269964640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 269964640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350460432).

269964640 is an abundant number, since it is smaller than the sum of its proper divisors (430956224).

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

269964640 is a wasteful number, since it uses less digits than its factorization.

269964640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 269964640 is about 16430.6007193894. The cubic root of 269964640 is about 646.3021906627.

The spelling of 269964640 in words is "two hundred sixty-nine million, nine hundred sixty-four thousand, six hundred forty".