42676240 has 20 divisors (see below), whose sum is σ = 99222444. Its totient is φ = 17070464.

The previous prime is 42676219. The next prime is 42676241. The reversal of 42676240 is 4267624.

It can be written as a sum of positive squares in 2 ways, for example, as 15968016 + 26708224 = 3996^2 + 5168^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×42676240² = 3642522921075200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42676241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266647 + ... + 266806.

Almost surely, 2^42676240 is an apocalyptic number.

42676240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42676240 is an abundant number, since it is smaller than the sum of its proper divisors (56546204).

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

42676240 is a wasteful number, since it uses less digits than its factorization.

42676240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533466 (or 533460 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 42676240 is about 6532.7054120020. The cubic root of 42676240 is about 349.4583185557.

The spelling of 42676240 in words is "forty-two million, six hundred seventy-six thousand, two hundred forty".