42010864 has 20 divisors (see below), whose sum is σ = 93024304. Its totient is φ = 18004608.

The previous prime is 42010861. The next prime is 42010867. The reversal of 42010864 is 46801024.

It is an interprime number because it is at equal distance from previous prime (42010861) and next prime (42010867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42010861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187437 + ... + 187660.

Almost surely, 2^42010864 is an apocalyptic number.

It is an amenable number.

42010864 is an abundant number, since it is smaller than the sum of its proper divisors (51013440).

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

42010864 is a wasteful number, since it uses less digits than its factorization.

42010864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375112 (or 375106 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 42010864 is about 6481.5788200098. The cubic root of 42010864 is about 347.6326329790.

Adding to 42010864 its reverse (46801024), we get a palindrome (88811888).

The spelling of 42010864 in words is "forty-two million, ten thousand, eight hundred sixty-four".