49259418 has 16 divisors (see below), whose sum is σ = 106097376. Its totient is φ = 15156720.

The previous prime is 49259411. The next prime is 49259437. The reversal of 49259418 is 81495294.

It is a self number, because there is not a number n which added to its sum of digits gives 49259418.

It is not an unprimeable number, because it can be changed into a prime (49259411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315688 + ... + 315843.

It is an arithmetic number, because the mean of its divisors is an integer number (6631086).

Almost surely, 2^49259418 is an apocalyptic number.

49259418 is an abundant number, since it is smaller than the sum of its proper divisors (56837958).

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

49259418 is a wasteful number, since it uses less digits than its factorization.

49259418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631549.

The product of its digits is 103680, while the sum is 42.

The square root of 49259418 is about 7018.5053964502. The cubic root of 49259418 is about 366.5752100643.

The spelling of 49259418 in words is "forty-nine million, two hundred fifty-nine thousand, four hundred eighteen".