42051210 has 32 divisors (see below), whose sum is σ = 102434112. Its totient is φ = 11045760.

The previous prime is 42051193. The next prime is 42051211. The reversal of 42051210 is 1215024.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 42051210.

It is not an unprimeable number, because it can be changed into a prime (42051211) 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, 8451 + ... + 12470.

It is an arithmetic number, because the mean of its divisors is an integer number (3201066).

Almost surely, 2^42051210 is an apocalyptic number.

42051210 is an abundant number, since it is smaller than the sum of its proper divisors (60382902).

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

42051210 is a wasteful number, since it uses less digits than its factorization.

42051210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20998.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 42051210 is about 6484.6904320869. The cubic root of 42051210 is about 347.7438827634.

Adding to 42051210 its reverse (1215024), we get a palindrome (43266234).

The spelling of 42051210 in words is "forty-two million, fifty-one thousand, two hundred ten".