49201278 has 96 divisors (see below), whose sum is σ = 123545088. Its totient is φ = 12767040.

The previous prime is 49201267. The next prime is 49201289. The reversal of 49201278 is 87210294.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49201267) and next prime (49201289).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 928300 + ... + 928352.

It is an arithmetic number, because the mean of its divisors is an integer number (1286928).

Almost surely, 2^49201278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49201278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61772544).

49201278 is an abundant number, since it is smaller than the sum of its proper divisors (74343810).

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

49201278 is a wasteful number, since it uses less digits than its factorization.

49201278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 49201278 is about 7014.3622660938. The cubic root of 49201278 is about 366.4309325903.

The spelling of 49201278 in words is "forty-nine million, two hundred one thousand, two hundred seventy-eight".