424753992390 has 512 divisors, whose sum is σ = 1326201569280. Its totient is φ = 84669235200.

The previous prime is 424753992349. The next prime is 424753992413. The reversal of 424753992390 is 93299357424.

It is a self number, because there is not a number n which added to its sum of digits gives 424753992390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1283244525 + ... + 1283244855.

It is an arithmetic number, because the mean of its divisors is an integer number (2590237440).

Almost surely, 2^424753992390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424753992390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663100784640).

424753992390 is an abundant number, since it is smaller than the sum of its proper divisors (901447576890).

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

424753992390 is a wasteful number, since it uses less digits than its factorization.

424753992390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 14696640, while the sum is 57.

The spelling of 424753992390 in words is "four hundred twenty-four billion, seven hundred fifty-three million, nine hundred ninety-two thousand, three hundred ninety".