42940550 has 24 divisors (see below), whose sum is σ = 80612400. Its totient is φ = 17016480.

The previous prime is 42940537. The next prime is 42940567. The reversal of 42940550 is 5504924.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1511 + ... + 9389.

It is an arithmetic number, because the mean of its divisors is an integer number (3358850).

Almost surely, 2^42940550 is an apocalyptic number.

42940550 is a deficient number, since it is larger than the sum of its proper divisors (37671850).

42940550 is a wasteful number, since it uses less digits than its factorization.

42940550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000 (or 7995 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 42940550 is about 6552.9039364239. The cubic root of 42940550 is about 350.1782765243.

The spelling of 42940550 in words is "forty-two million, nine hundred forty thousand, five hundred fifty".