49694220 has 36 divisors (see below), whose sum is σ = 150739680. Its totient is φ = 13251744.

The previous prime is 49694207. The next prime is 49694221. The reversal of 49694220 is 2249694.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (49694221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137860 + ... + 138219.

Almost surely, 2^49694220 is an apocalyptic number.

It is an amenable number.

49694220 is an abundant number, since it is smaller than the sum of its proper divisors (101045460).

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

49694220 is a wasteful number, since it uses less digits than its factorization.

49694220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276094 (or 276089 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 49694220 is about 7049.4127414984. The cubic root of 49694220 is about 367.6506115974.

The spelling of 49694220 in words is "forty-nine million, six hundred ninety-four thousand, two hundred twenty".