42340980 has 48 divisors (see below), whose sum is σ = 129334464. Its totient is φ = 10264320.

The previous prime is 42340979. The next prime is 42340981. The reversal of 42340980 is 8904324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42340979) and next prime (42340981).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31417 + ... + 32736.

It is an arithmetic number, because the mean of its divisors is an integer number (2694468).

Almost surely, 2^42340980 is an apocalyptic number.

It is an amenable number.

42340980 is an abundant number, since it is smaller than the sum of its proper divisors (86993484).

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

42340980 is a wasteful number, since it uses less digits than its factorization.

42340980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64176 (or 64174 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 42340980 is about 6506.9946980154. The cubic root of 42340980 is about 348.5408092721.

The spelling of 42340980 in words is "forty-two million, three hundred forty thousand, nine hundred eighty".