61040350 has 96 divisors (see below), whose sum is σ = 139633920. Its totient is φ = 19388160.

The previous prime is 61040347. The next prime is 61040381. The reversal of 61040350 is 5304016.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445482 + ... + 445618.

It is an arithmetic number, because the mean of its divisors is an integer number (1454520).

Almost surely, 2^61040350 is an apocalyptic number.

61040350 is an abundant number, since it is smaller than the sum of its proper divisors (78593570).

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

61040350 is a wasteful number, since it uses less digits than its factorization.

61040350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 61040350 is about 7812.8323929290. The cubic root of 61040350 is about 393.7364957156.

Adding to 61040350 its reverse (5304016), we get a palindrome (66344366).

The spelling of 61040350 in words is "sixty-one million, forty thousand, three hundred fifty".