42471012 has 24 divisors (see below), whose sum is σ = 99734656. Its totient is φ = 14066208.

The previous prime is 42470983. The next prime is 42471029. The reversal of 42471012 is 21017424.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42471012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9388 + ... + 13155.

Almost surely, 2^42471012 is an apocalyptic number.

It is an amenable number.

42471012 is an abundant number, since it is smaller than the sum of its proper divisors (57263644).

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

42471012 is a wasteful number, since it uses less digits than its factorization.

42471012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22707 (or 22705 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 42471012 is about 6516.9787478555. The cubic root of 42471012 is about 348.8972420741.

Adding to 42471012 its reverse (21017424), we get a palindrome (63488436).

The spelling of 42471012 in words is "forty-two million, four hundred seventy-one thousand, twelve".