42471144 has 24 divisors (see below), whose sum is σ = 115026210. Its totient is φ = 14157024.

The previous prime is 42471139. The next prime is 42471157. The reversal of 42471144 is 44117424.

It can be written as a sum of positive squares in only one way, i.e., 37675044 + 4796100 = 6138^2 + 2190^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294867 + ... + 295010.

Almost surely, 2^42471144 is an apocalyptic number.

It is an amenable number.

42471144 is an abundant number, since it is smaller than the sum of its proper divisors (72555066).

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

42471144 is a wasteful number, since it uses less digits than its factorization.

42471144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589889 (or 589882 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 42471144 is about 6516.9888752399. The cubic root of 42471144 is about 348.8976035316.

Adding to 42471144 its reverse (44117424), we get a palindrome (86588568).

The spelling of 42471144 in words is "forty-two million, four hundred seventy-one thousand, one hundred forty-four".