626934140 has 48 divisors (see below), whose sum is σ = 1510451712. Its totient is φ = 214118976.

The previous prime is 626934137. The next prime is 626934163. The reversal of 626934140 is 41439626.

626934140 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 (35).

It is a self number, because there is not a number n which added to its sum of digits gives 626934140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28307 + ... + 45333.

It is an arithmetic number, because the mean of its divisors is an integer number (31467744).

Almost surely, 2^626934140 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 626934140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755225856).

626934140 is an abundant number, since it is smaller than the sum of its proper divisors (883517572).

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

626934140 is a wasteful number, since it uses less digits than its factorization.

626934140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17306 (or 17304 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 626934140 is about 25038.6529190370. The cubic root of 626934140 is about 855.8690205598.

The spelling of 626934140 in words is "six hundred twenty-six million, nine hundred thirty-four thousand, one hundred forty".