42012465 has 32 divisors (see below), whose sum is σ = 74086272. Its totient is φ = 20160000.

The previous prime is 42012461. The next prime is 42012497. The reversal of 42012465 is 56421024.

It is not a de Polignac number, because 42012465 - 2² = 42012461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42012461) 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, 15405 + ... + 17925.

It is an arithmetic number, because the mean of its divisors is an integer number (2315196).

Almost surely, 2^42012465 is an apocalyptic number.

It is an amenable number.

42012465 is a deficient number, since it is larger than the sum of its proper divisors (32073807).

42012465 is a wasteful number, since it uses less digits than its factorization.

42012465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 42012465 is about 6481.7023226927. The cubic root of 42012465 is about 347.6370489223.

Adding to 42012465 its reverse (56421024), we get a palindrome (98433489).

It can be divided in two parts, 4201 and 2465, that added together give a palindrome (6666).

The spelling of 42012465 in words is "forty-two million, twelve thousand, four hundred sixty-five".