253297044 has 360 divisors, whose sum is σ = 908417664. Its totient is φ = 59875200.

The previous prime is 253297027. The next prime is 253297061. The reversal of 253297044 is 440792352.

It is an interprime number because it is at equal distance from previous prime (253297027) and next prime (253297061).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 119 ways as a sum of consecutive naturals, for example, 3567529 + ... + 3567599.

Almost surely, 2^253297044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253297044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454208832).

253297044 is an abundant number, since it is smaller than the sum of its proper divisors (655120620).

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

253297044 is a wasteful number, since it uses less digits than its factorization.

253297044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 253297044 is about 15915.3084795740. The cubic root of 253297044 is about 632.7177825974.

The spelling of 253297044 in words is "two hundred fifty-three million, two hundred ninety-seven thousand, forty-four".