42064461 has 32 divisors (see below), whose sum is σ = 66124800. Its totient is φ = 26354160.

The previous prime is 42064459. The next prime is 42064481. The reversal of 42064461 is 16446024.

It is not a de Polignac number, because 42064461 - 2¹ = 42064459 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42064411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85426 + ... + 85916.

It is an arithmetic number, because the mean of its divisors is an integer number (2066400).

Almost surely, 2^42064461 is an apocalyptic number.

It is an amenable number.

42064461 is a deficient number, since it is larger than the sum of its proper divisors (24060339).

42064461 is a wasteful number, since it uses less digits than its factorization.

42064461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 42064461 is about 6485.7120657643. The cubic root of 42064461 is about 347.7804054561.

The spelling of 42064461 in words is "forty-two million, sixty-four thousand, four hundred sixty-one".