49109028 has 24 divisors (see below), whose sum is σ = 115725120. Its totient is φ = 16207200.

The previous prime is 49109023. The next prime is 49109029. The reversal of 49109028 is 82090194.

It is a super-2 number, since 2×49109028² = 4823393262209568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49109028.

It is not an unprimeable number, because it can be changed into a prime (49109023) 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, 19048 + ... + 21471.

It is an arithmetic number, because the mean of its divisors is an integer number (4821880).

Almost surely, 2^49109028 is an apocalyptic number.

It is an amenable number.

49109028 is an abundant number, since it is smaller than the sum of its proper divisors (66616092).

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

49109028 is a wasteful number, since it uses less digits than its factorization.

49109028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40627 (or 40625 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 49109028 is about 7007.7833870633. The cubic root of 49109028 is about 366.2017759273.

The spelling of 49109028 in words is "forty-nine million, one hundred nine thousand, twenty-eight".