42087480 has 32 divisors (see below), whose sum is σ = 126262800. Its totient is φ = 11223296.

The previous prime is 42087469. The next prime is 42087481. The reversal of 42087480 is 8478024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42087481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175245 + ... + 175484.

Almost surely, 2^42087480 is an apocalyptic number.

42087480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42087480 is an abundant number, since it is smaller than the sum of its proper divisors (84175320).

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

42087480 is a wasteful number, since it uses less digits than its factorization.

42087480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350743 (or 350739 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 42087480 is about 6487.4864161707. The cubic root of 42087480 is about 347.8438326906.

The spelling of 42087480 in words is "forty-two million, eighty-seven thousand, four hundred eighty".