626420837250 has 512 divisors, whose sum is σ = 1981324800000. Its totient is φ = 145195027200.

The previous prime is 626420837243. The next prime is 626420837303. The reversal of 626420837250 is 52738024626.

626420837250 is a `hidden beast` number, since 6 + 26 + 4 + 208 + 372 + 50 = 666.

626420837250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 626420837196 and 626420837205.

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, 298436701 + ... + 298438799.

It is an arithmetic number, because the mean of its divisors is an integer number (3869775000).

Almost surely, 2^626420837250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 626420837250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990662400000).

626420837250 is an abundant number, since it is smaller than the sum of its proper divisors (1354903962750).

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

626420837250 is a wasteful number, since it uses less digits than its factorization.

626420837250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336 (or 2320 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 626420837250 in words is "six hundred twenty-six billion, four hundred twenty million, eight hundred thirty-seven thousand, two hundred fifty".