42134280 has 64 divisors (see below), whose sum is σ = 126921600. Its totient is φ = 11189760.

The previous prime is 42134269. The next prime is 42134297. The reversal of 42134280 is 8243124.

It is a super-2 number, since 2×42134280² = 3550595102236800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 42134280.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36756 + ... + 37884.

It is an arithmetic number, because the mean of its divisors is an integer number (1983150).

Almost surely, 2^42134280 is an apocalyptic number.

42134280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42134280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63460800).

42134280 is an abundant number, since it is smaller than the sum of its proper divisors (84787320).

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

42134280 is a wasteful number, since it uses less digits than its factorization.

42134280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 42134280 is about 6491.0923579934. The cubic root of 42134280 is about 347.9727155250.

The spelling of 42134280 in words is "forty-two million, one hundred thirty-four thousand, two hundred eighty".