1253404464 has 160 divisors (see below), whose sum is σ = 3724761600. Its totient is φ = 359976960.

The previous prime is 1253404433. The next prime is 1253404469. The reversal of 1253404464 is 4644043521.

It is a happy number.

1253404464 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1253404469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 841032 + ... + 842520.

It is an arithmetic number, because the mean of its divisors is an integer number (23279760).

Almost surely, 2^1253404464 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 1253404464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862380800).

1253404464 is an abundant number, since it is smaller than the sum of its proper divisors (2471357136).

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

1253404464 is a wasteful number, since it uses less digits than its factorization.

1253404464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 1253404464 is about 35403.4527129770. The cubic root of 1253404464 is about 1078.1944178886.

Adding to 1253404464 its reverse (4644043521), we get a palindrome (5897447985).

The spelling of 1253404464 in words is "one billion, two hundred fifty-three million, four hundred four thousand, four hundred sixty-four".