5634781740 has 384 divisors, whose sum is σ = 21422284800. Its totient is φ = 1200925440.

The previous prime is 5634781739. The next prime is 5634781769. The reversal of 5634781740 is 471874365.

5634781740 is a `hidden beast` number, since 5 + 6 + 3 + 478 + 174 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4811355 + ... + 4812525.

It is an arithmetic number, because the mean of its divisors is an integer number (55787200).

Almost surely, 2^5634781740 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 5634781740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10711142400).

5634781740 is an abundant number, since it is smaller than the sum of its proper divisors (15787503060).

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

5634781740 is a wasteful number, since it uses less digits than its factorization.

5634781740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 5634781740 is about 75065.1832742717. The cubic root of 5634781740 is about 1779.4769472714.

The spelling of 5634781740 in words is "five billion, six hundred thirty-four million, seven hundred eighty-one thousand, seven hundred forty".