42149359 has 12 divisors (see below), whose sum is σ = 49138104. Its totient is φ = 36049104.

The previous prime is 42149357. The next prime is 42149369. The reversal of 42149359 is 95394124.

It is not a de Polignac number, because 42149359 - 2¹ = 42149357 is a prime.

It is a super-2 number, since 2×42149359² = 3553136928221762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42149357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38017 + ... + 39109.

It is an arithmetic number, because the mean of its divisors is an integer number (4094842).

Almost surely, 2^42149359 is an apocalyptic number.

42149359 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

42149359 is a deficient number, since it is larger than the sum of its proper divisors (6988745).

42149359 is a wasteful number, since it uses less digits than its factorization.

42149359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1887 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 42149359 is about 6492.2537689157. The cubic root of 42149359 is about 348.0142213548.

The spelling of 42149359 in words is "forty-two million, one hundred forty-nine thousand, three hundred fifty-nine".