424778750000 has 160 divisors (see below), whose sum is σ = 1122318220608. Its totient is φ = 154460000000.

The previous prime is 424778749979. The next prime is 424778750047. The reversal of 424778750000 is 57877424.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13734554 + ... + 13765446.

Almost surely, 2^424778750000 is an apocalyptic number.

424778750000 is a gapful number since it is divisible by the number (40) 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 424778750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561159110304).

424778750000 is an abundant number, since it is smaller than the sum of its proper divisors (697539470608).

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

424778750000 is an frugal number, since it uses more digits than its factorization.

424778750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30947 (or 30911 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 44.

The spelling of 424778750000 in words is "four hundred twenty-four billion, seven hundred seventy-eight million, seven hundred fifty thousand".