49999490 has 8 divisors (see below), whose sum is σ = 89999100. Its totient is φ = 19999792.

The previous prime is 49999489. The next prime is 49999529. The reversal of 49999490 is 9499994.

It can be written as a sum of positive squares in 2 ways, for example, as 49603849 + 395641 = 7043^2 + 629^2 .

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

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, 2499965 + ... + 2499984.

Almost surely, 2^49999490 is an apocalyptic number.

49999490 is a deficient number, since it is larger than the sum of its proper divisors (39999610).

49999490 is a wasteful number, since it uses less digits than its factorization.

49999490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999956.

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 49999490 is about 7071.0317493277. The cubic root of 49999490 is about 368.4018972891.

The spelling of 49999490 in words is "forty-nine million, nine hundred ninety-nine thousand, four hundred ninety".