42988413 has 32 divisors (see below), whose sum is σ = 65508352. Its totient is φ = 24909120.

The previous prime is 42988399. The next prime is 42988447. The reversal of 42988413 is 31488924.

It is not a de Polignac number, because 42988413 - 2⁴ = 42988397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42988453) 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, 1161831 + ... + 1161867.

It is an arithmetic number, because the mean of its divisors is an integer number (2047136).

Almost surely, 2^42988413 is an apocalyptic number.

It is an amenable number.

42988413 is a deficient number, since it is larger than the sum of its proper divisors (22519939).

42988413 is an equidigital number, since it uses as much as digits as its factorization.

42988413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 84 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 42988413 is about 6556.5549643086. The cubic root of 42988413 is about 350.3083350929.

The spelling of 42988413 in words is "forty-two million, nine hundred eighty-eight thousand, four hundred thirteen".