42642510 has 16 divisors (see below), whose sum is σ = 102342096. Its totient is φ = 11371328.

The previous prime is 42642497. The next prime is 42642521. The reversal of 42642510 is 1524624.

It is a congruent number.

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, 710679 + ... + 710738.

It is an arithmetic number, because the mean of its divisors is an integer number (6396381).

Almost surely, 2^42642510 is an apocalyptic number.

42642510 is an abundant number, since it is smaller than the sum of its proper divisors (59699586).

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

42642510 is a wasteful number, since it uses less digits than its factorization.

42642510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421427.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 42642510 is about 6530.1232760186. The cubic root of 42642510 is about 349.3662272197.

The spelling of 42642510 in words is "forty-two million, six hundred forty-two thousand, five hundred ten".