611094240 has 384 divisors, whose sum is σ = 2322069120. Its totient is φ = 149520384.

The previous prime is 611094229. The next prime is 611094241. The reversal of 611094240 is 42490116.

611094240 is a `hidden beast` number, since 611 + 0 + 9 + 4 + 2 + 40 = 666.

It is a super-2 number, since 2×611094240² = 746872340322355200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611094241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3892242 + ... + 3892398.

It is an arithmetic number, because the mean of its divisors is an integer number (6047055).

Almost surely, 2^611094240 is an apocalyptic number.

611094240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611094240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161034560).

611094240 is an abundant number, since it is smaller than the sum of its proper divisors (1710974880).

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

611094240 is a wasteful number, since it uses less digits than its factorization.

611094240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 611094240 is about 24720.3203862733. The cubic root of 611094240 is about 848.5994189610.

The spelling of 611094240 in words is "six hundred eleven million, ninety-four thousand, two hundred forty".