252501426424 has 128 divisors (see below), whose sum is σ = 550218977280. Its totient is φ = 107673984000.

The previous prime is 252501426403. The next prime is 252501426503. The reversal of 252501426424 is 424624105252.

It is a super-3 number, since 3×252501426424³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43524324 + ... + 43530124.

It is an arithmetic number, because the mean of its divisors is an integer number (4298585760).

Almost surely, 2^252501426424 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 252501426424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275109488640).

252501426424 is an abundant number, since it is smaller than the sum of its proper divisors (297717550856).

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

252501426424 is a wasteful number, since it uses less digits than its factorization.

252501426424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461 (or 6457 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 252501426424 in words is "two hundred fifty-two billion, five hundred one million, four hundred twenty-six thousand, four hundred twenty-four".