42476640 has 48 divisors (see below), whose sum is σ = 133802928. Its totient is φ = 11326976.

The previous prime is 42476633. The next prime is 42476657. The reversal of 42476640 is 4667424.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43767 + ... + 44726.

It is an arithmetic number, because the mean of its divisors is an integer number (2787561).

Almost surely, 2^42476640 is an apocalyptic number.

42476640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42476640 is an abundant number, since it is smaller than the sum of its proper divisors (91326288).

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

42476640 is a wasteful number, since it uses less digits than its factorization.

42476640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88511 (or 88503 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 42476640 is about 6517.4105287299. The cubic root of 42476640 is about 348.9126526397.

The spelling of 42476640 in words is "forty-two million, four hundred seventy-six thousand, six hundred forty".