42149410 has 32 divisors (see below), whose sum is σ = 80720640. Its totient is φ = 15800832.

The previous prime is 42149407. The next prime is 42149411. The reversal of 42149410 is 1494124.

It is not an unprimeable number, because it can be changed into a prime (42149411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17287 + ... + 19573.

It is an arithmetic number, because the mean of its divisors is an integer number (2522520).

Almost surely, 2^42149410 is an apocalyptic number.

42149410 is a deficient number, since it is larger than the sum of its proper divisors (38571230).

42149410 is a wasteful number, since it uses less digits than its factorization.

42149410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 42149410 is about 6492.2576966722. The cubic root of 42149410 is about 348.0143617185.

The spelling of 42149410 in words is "forty-two million, one hundred forty-nine thousand, four hundred ten".