534719640 has 256 divisors, whose sum is σ = 2061158400. Its totient is φ = 107864064.

The previous prime is 534719639. The next prime is 534719687. The reversal of 534719640 is 46917435.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 250096 + ... + 252224.

It is an arithmetic number, because the mean of its divisors is an integer number (8051400).

Almost surely, 2^534719640 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 534719640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030579200).

534719640 is an abundant number, since it is smaller than the sum of its proper divisors (1526438760).

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

534719640 is a wasteful number, since it uses less digits than its factorization.

534719640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186 (or 2182 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 534719640 is about 23124.0057083543. The cubic root of 534719640 is about 811.6623079136.

The spelling of 534719640 in words is "five hundred thirty-four million, seven hundred nineteen thousand, six hundred forty".