42350240 has 48 divisors (see below), whose sum is σ = 105325920. Its totient is φ = 16047360.

The previous prime is 42350219. The next prime is 42350251. The reversal of 42350240 is 4205324.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 3926 + ... + 10005.

It is an arithmetic number, because the mean of its divisors is an integer number (2194290).

Almost surely, 2^42350240 is an apocalyptic number.

42350240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42350240 is an abundant number, since it is smaller than the sum of its proper divisors (62975680).

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

42350240 is a wasteful number, since it uses less digits than its factorization.

42350240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13965 (or 13957 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 42350240 is about 6507.7062011126. The cubic root of 42350240 is about 348.5662161210.

Adding to 42350240 its reverse (4205324), we get a palindrome (46555564).

The spelling of 42350240 in words is "forty-two million, three hundred fifty thousand, two hundred forty".