49791402 has 64 divisors (see below), whose sum is σ = 118920960. Its totient is φ = 15386112.

The previous prime is 49791373. The next prime is 49791403. The reversal of 49791402 is 20419794.

It is not an unprimeable number, because it can be changed into a prime (49791403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66643 + ... + 67385.

It is an arithmetic number, because the mean of its divisors is an integer number (1858140).

Almost surely, 2^49791402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49791402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59460480).

49791402 is an abundant number, since it is smaller than the sum of its proper divisors (69129558).

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

49791402 is a wasteful number, since it uses less digits than its factorization.

49791402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 49791402 is about 7056.3022894431. The cubic root of 49791402 is about 367.8901146788.

The spelling of 49791402 in words is "forty-nine million, seven hundred ninety-one thousand, four hundred two".