253984919004 has 144 divisors (see below), whose sum is σ = 706362675200. Its totient is φ = 79573487616.

The previous prime is 253984918951. The next prime is 253984919021. The reversal of 253984919004 is 400919489352.

253984919004 is a `hidden beast` number, since 25 + 398 + 49 + 190 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2291292 + ... + 2399580.

Almost surely, 2^253984919004 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 253984919004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353181337600).

253984919004 is an abundant number, since it is smaller than the sum of its proper divisors (452377756196).

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

253984919004 is a wasteful number, since it uses less digits than its factorization.

253984919004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108454 (or 108440 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 253984919004 in words is "two hundred fifty-three billion, nine hundred eighty-four million, nine hundred nineteen thousand, four".