42434460 has 36 divisors (see below), whose sum is σ = 128718408. Its totient is φ = 11315808.

The previous prime is 42434459. The next prime is 42434479. The reversal of 42434460 is 6443424.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117694 + ... + 118053.

Almost surely, 2^42434460 is an apocalyptic number.

It is an amenable number.

42434460 is an abundant number, since it is smaller than the sum of its proper divisors (86283948).

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

42434460 is a wasteful number, since it uses less digits than its factorization.

42434460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235762 (or 235757 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 42434460 is about 6514.1737772338. The cubic root of 42434460 is about 348.7971223951.

Adding to 42434460 its reverse (6443424), we get a palindrome (48877884).

The spelling of 42434460 in words is "forty-two million, four hundred thirty-four thousand, four hundred sixty".