49409142 has 8 divisors (see below), whose sum is σ = 98818296. Its totient is φ = 16469712.

The previous prime is 49409131. The next prime is 49409147. The reversal of 49409142 is 24190494.

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

49409142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49409147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4117423 + ... + 4117434.

It is an arithmetic number, because the mean of its divisors is an integer number (12352287).

Almost surely, 2^49409142 is an apocalyptic number.

49409142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

49409142 is a wasteful number, since it uses less digits than its factorization.

49409142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8234862.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 49409142 is about 7029.1636771383. The cubic root of 49409142 is about 366.9462361877.

The spelling of 49409142 in words is "forty-nine million, four hundred nine thousand, one hundred forty-two".