61040088 has 64 divisors (see below), whose sum is σ = 170200800. Its totient is φ = 20269440.

The previous prime is 61040071. The next prime is 61040101. The reversal of 61040088 is 88004016.

61040088 is a `hidden beast` number, since 610 + 40 + 0 + 8 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99270 + ... + 99882.

Almost surely, 2^61040088 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 61040088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85100400).

61040088 is an abundant number, since it is smaller than the sum of its proper divisors (109160712).

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

61040088 is a wasteful number, since it uses less digits than its factorization.

61040088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 61040088 is about 7812.8156256243. The cubic root of 61040088 is about 393.7359323772.

It can be divided in two parts, 6104008 and 8, that added together give a palindrome (6104016).

The spelling of 61040088 in words is "sixty-one million, forty thousand, eighty-eight".