269040402 has 72 divisors (see below), whose sum is σ = 631085364. Its totient is φ = 82547712.

The previous prime is 269040397. The next prime is 269040427. The reversal of 269040402 is 204040962.

It can be written as a sum of positive squares in 6 ways, for example, as 140920641 + 128119761 = 11871^2 + 11319^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 859398 + ... + 859710.

Almost surely, 2^269040402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 269040402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315542682).

269040402 is an abundant number, since it is smaller than the sum of its proper divisors (362044962).

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

269040402 is a wasteful number, since it uses less digits than its factorization.

269040402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 269040402 is about 16402.4510973208. The cubic root of 269040402 is about 645.5637976457.

The spelling of 269040402 in words is "two hundred sixty-nine million, forty thousand, four hundred two".