49019458 has 4 divisors (see below), whose sum is σ = 73529190. Its totient is φ = 24509728.

The previous prime is 49019437. The next prime is 49019459. The reversal of 49019458 is 85491094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36929929 + 12089529 = 6077^2 + 3477^2 .

It is a super-2 number, since 2×49019458² = 4805814525227528, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 49019458.

It is not an unprimeable number, because it can be changed into a prime (49019459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12254863 + ... + 12254866.

Almost surely, 2^49019458 is an apocalyptic number.

49019458 is a deficient number, since it is larger than the sum of its proper divisors (24509732).

49019458 is a wasteful number, since it uses less digits than its factorization.

49019458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24509731.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 49019458 is about 7001.3897191915. The cubic root of 49019458 is about 365.9790018510.

The spelling of 49019458 in words is "forty-nine million, nineteen thousand, four hundred fifty-eight".