42026061 has 16 divisors (see below), whose sum is σ = 69861888. Its totient is φ = 21831600.

The previous prime is 42026053. The next prime is 42026063. The reversal of 42026061 is 16062024.

42026061 = 444² + 445² + ... + 597².

It is a happy number.

It is not a de Polignac number, because 42026061 - 2³ = 42026053 is a prime.

It is a super-3 number, since 3×42026061³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42026063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90735 + ... + 91196.

It is an arithmetic number, because the mean of its divisors is an integer number (4366368).

Almost surely, 2^42026061 is an apocalyptic number.

It is an amenable number.

42026061 is a deficient number, since it is larger than the sum of its proper divisors (27835827).

42026061 is a wasteful number, since it uses less digits than its factorization.

42026061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181952.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 42026061 is about 6482.7510364042. The cubic root of 42026061 is about 347.6745454411.

Adding to 42026061 its reverse (16062024), we get a palindrome (58088085).

The spelling of 42026061 in words is "forty-two million, twenty-six thousand, sixty-one".