1253474880 has 168 divisors, whose sum is σ = 4629716928. Its totient is φ = 286497792.

The previous prime is 1253474851. The next prime is 1253474899. The reversal of 1253474880 is 884743521.

It is a tau number, because it is divible by the number of its divisors (168).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 23 ways as a sum of consecutive naturals, for example, 33717 + ... + 60363.

Almost surely, 2^1253474880 is an apocalyptic number.

1253474880 is a gapful number since it is divisible by the number (10) 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 1253474880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2314858464).

1253474880 is an abundant number, since it is smaller than the sum of its proper divisors (3376242048).

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

1253474880 is a wasteful number, since it uses less digits than its factorization.

1253474880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26681 (or 26664 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 1253474880 is about 35404.4471782854. The cubic root of 1253474880 is about 1078.2146084226.

The spelling of 1253474880 in words is "one billion, two hundred fifty-three million, four hundred seventy-four thousand, eight hundred eighty".