611042564 has 48 divisors (see below), whose sum is σ = 1232824320. Its totient is φ = 262273440.

The previous prime is 611042539. The next prime is 611042567. The reversal of 611042564 is 465240116.

It is not an unprimeable number, because it can be changed into a prime (611042567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76127 + ... + 83769.

It is an arithmetic number, because the mean of its divisors is an integer number (25683840).

Almost surely, 2^611042564 is an apocalyptic number.

It is an amenable number.

611042564 is an abundant number, since it is smaller than the sum of its proper divisors (621781756).

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

611042564 is a wasteful number, since it uses less digits than its factorization.

611042564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7760 (or 7758 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 611042564 is about 24719.2751511852. The cubic root of 611042564 is about 848.5754982317.

The spelling of 611042564 in words is "six hundred eleven million, forty-two thousand, five hundred sixty-four".