534191840 has 192 divisors, whose sum is σ = 1635863040. Its totient is φ = 160081920.

The previous prime is 534191839. The next prime is 534191891. The reversal of 534191840 is 48191435.

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 534191840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275675 + ... + 277605.

It is an arithmetic number, because the mean of its divisors is an integer number (8520120).

Almost surely, 2^534191840 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 534191840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817931520).

534191840 is an abundant number, since it is smaller than the sum of its proper divisors (1101671200).

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

534191840 is a wasteful number, since it uses less digits than its factorization.

534191840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1977 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 534191840 is about 23112.5905082057. The cubic root of 534191840 is about 811.3951670533.

The spelling of 534191840 in words is "five hundred thirty-four million, one hundred ninety-one thousand, eight hundred forty".