42548340 has 24 divisors (see below), whose sum is σ = 119135520. Its totient is φ = 11346208.

The previous prime is 42548329. The next prime is 42548351. The reversal of 42548340 is 4384524.

It is an interprime number because it is at equal distance from previous prime (42548329) and next prime (42548351).

It is a super-2 number, since 2×42548340² = 3620722473511200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42548298 and 42548307.

It is a congruent number.

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, 354510 + ... + 354629.

It is an arithmetic number, because the mean of its divisors is an integer number (4963980).

Almost surely, 2^42548340 is an apocalyptic number.

It is an amenable number.

42548340 is an abundant number, since it is smaller than the sum of its proper divisors (76587180).

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

42548340 is a wasteful number, since it uses less digits than its factorization.

42548340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709151 (or 709149 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 42548340 is about 6522.9088603168. The cubic root of 42548340 is about 349.1088622445.

The spelling of 42548340 in words is "forty-two million, five hundred forty-eight thousand, three hundred forty".