61435044 has 48 divisors (see below), whose sum is σ = 173759040. Its totient is φ = 18616320.

The previous prime is 61435043. The next prime is 61435051. The reversal of 61435044 is 44053416.

61435044 is a `hidden beast` number, since 614 + 3 + 5 + 0 + 44 = 666.

61435044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 61434999 and 61435017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61435043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24669 + ... + 27044.

It is an arithmetic number, because the mean of its divisors is an integer number (3619980).

Almost surely, 2^61435044 is an apocalyptic number.

It is an amenable number.

61435044 is an abundant number, since it is smaller than the sum of its proper divisors (112323996).

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

61435044 is a wasteful number, since it uses less digits than its factorization.

61435044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51737 (or 51729 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 61435044 is about 7838.0510332608. The cubic root of 61435044 is about 394.5833217577.

The spelling of 61435044 in words is "sixty-one million, four hundred thirty-five thousand, forty-four".