42651408 has 40 divisors (see below), whose sum is σ = 110484000. Its totient is φ = 14178304.

The previous prime is 42651403. The next prime is 42651437. The reversal of 42651408 is 80415624.

It is not an unprimeable number, because it can be changed into a prime (42651403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20563 + ... + 22541.

It is an arithmetic number, because the mean of its divisors is an integer number (2762100).

Almost surely, 2^42651408 is an apocalyptic number.

42651408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42651408 is an abundant number, since it is smaller than the sum of its proper divisors (67832592).

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

42651408 is a wasteful number, since it uses less digits than its factorization.

42651408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439 (or 2433 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 42651408 is about 6530.8045446178. The cubic root of 42651408 is about 349.3905256994.

The spelling of 42651408 in words is "forty-two million, six hundred fifty-one thousand, four hundred eight".