61019404 has 12 divisors (see below), whose sum is σ = 106840384. Its totient is φ = 30493584.

The previous prime is 61019383. The next prime is 61019411. The reversal of 61019404 is 40491016.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9637 + ... + 14659.

Almost surely, 2^61019404 is an apocalyptic number.

It is an amenable number.

61019404 is a deficient number, since it is larger than the sum of its proper divisors (45820980).

61019404 is a wasteful number, since it uses less digits than its factorization.

61019404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8064 (or 8062 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 61019404 is about 7811.4917909449. The cubic root of 61019404 is about 393.6914536619.

The spelling of 61019404 in words is "sixty-one million, nineteen thousand, four hundred four".