42146590 has 8 divisors (see below), whose sum is σ = 75863880. Its totient is φ = 16858632.

The previous prime is 42146581. The next prime is 42146641. The reversal of 42146590 is 9564124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2107320 + ... + 2107339.

It is an arithmetic number, because the mean of its divisors is an integer number (9482985).

Almost surely, 2^42146590 is an apocalyptic number.

42146590 is a deficient number, since it is larger than the sum of its proper divisors (33717290).

42146590 is a wasteful number, since it uses less digits than its factorization.

42146590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214666.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 42146590 is about 6492.0405112722. The cubic root of 42146590 is about 348.0066002624.

The spelling of 42146590 in words is "forty-two million, one hundred forty-six thousand, five hundred ninety".