61040488 has 16 divisors (see below), whose sum is σ = 118143360. Its totient is φ = 29535600.

The previous prime is 61040479. The next prime is 61040509. The reversal of 61040488 is 88404016.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122818 + ... + 123313.

It is an arithmetic number, because the mean of its divisors is an integer number (7383960).

Almost surely, 2^61040488 is an apocalyptic number.

It is an amenable number.

61040488 is a deficient number, since it is larger than the sum of its proper divisors (57102872).

61040488 is a wasteful number, since it uses less digits than its factorization.

61040488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246168 (or 246164 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 61040488 is about 7812.8412245482. The cubic root of 61040488 is about 393.7367924351.

The spelling of 61040488 in words is "sixty-one million, forty thousand, four hundred eighty-eight".