611064240 has 40 divisors (see below), whose sum is σ = 1894299888. Its totient is φ = 162950400.

The previous prime is 611064227. The next prime is 611064247. The reversal of 611064240 is 42460116.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 611064240.

It is not an unprimeable number, because it can be changed into a prime (611064247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1272811 + ... + 1273290.

Almost surely, 2^611064240 is an apocalyptic number.

611064240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

611064240 is an abundant number, since it is smaller than the sum of its proper divisors (1283235648).

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

611064240 is a wasteful number, since it uses less digits than its factorization.

611064240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546117 (or 2546111 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 611064240 is about 24719.7135905738. The cubic root of 611064240 is about 848.5855321781.

The spelling of 611064240 in words is "six hundred eleven million, sixty-four thousand, two hundred forty".