42214040 has 64 divisors (see below), whose sum is σ = 106457760. Its totient is φ = 14929920.

The previous prime is 42214031. The next prime is 42214057. The reversal of 42214040 is 4041224.

It is a congruent number.

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, 14984 + ... + 17576.

Almost surely, 2^42214040 is an apocalyptic number.

42214040 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 42214040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53228880).

42214040 is an abundant number, since it is smaller than the sum of its proper divisors (64243720).

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

42214040 is a wasteful number, since it uses less digits than its factorization.

42214040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652 (or 2648 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 42214040 is about 6497.2332573181. The cubic root of 42214040 is about 348.1921473769.

Adding to 42214040 its reverse (4041224), we get a palindrome (46255264).

The spelling of 42214040 in words is "forty-two million, two hundred fourteen thousand, forty".