61040358 has 32 divisors (see below), whose sum is σ = 137289600. Its totient is φ = 20100168.

The previous prime is 61040347. The next prime is 61040381. The reversal of 61040358 is 85304016.

61040358 is a `hidden beast` number, since 610 + 40 + 3 + 5 + 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, 2328 + ... + 11291.

It is an arithmetic number, because the mean of its divisors is an integer number (4290300).

Almost surely, 2^61040358 is an apocalyptic number.

61040358 is an abundant number, since it is smaller than the sum of its proper divisors (76249242).

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

61040358 is a wasteful number, since it uses less digits than its factorization.

61040358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13713 (or 13707 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 61040358 is about 7812.8329049072. The cubic root of 61040358 is about 393.7365129167.

The spelling of 61040358 in words is "sixty-one million, forty thousand, three hundred fifty-eight".