49278430 has 16 divisors (see below), whose sum is σ = 90764784. Its totient is φ = 19252800.

The previous prime is 49278421. The next prime is 49278469. The reversal of 49278430 is 3487294.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 49278430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56871 + ... + 57730.

It is an arithmetic number, because the mean of its divisors is an integer number (5672799).

Almost surely, 2^49278430 is an apocalyptic number.

49278430 is a deficient number, since it is larger than the sum of its proper divisors (41486354).

49278430 is a wasteful number, since it uses less digits than its factorization.

49278430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114651.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 49278430 is about 7019.8596852074. The cubic root of 49278430 is about 366.6223647118.

The spelling of 49278430 in words is "forty-nine million, two hundred seventy-eight thousand, four hundred thirty".