49020881254 has 4 divisors (see below), whose sum is σ = 73531321884. Its totient is φ = 24510440626.

The previous prime is 49020881251. The next prime is 49020881263. The reversal of 49020881254 is 45218802094.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×49020881254² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49020881254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49020881251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12255220312 + ... + 12255220315.

It is an arithmetic number, because the mean of its divisors is an integer number (18382830471).

Almost surely, 2^49020881254 is an apocalyptic number.

49020881254 is a deficient number, since it is larger than the sum of its proper divisors (24510440630).

49020881254 is a wasteful number, since it uses less digits than its factorization.

49020881254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24510440629.

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 49020881254 in words is "forty-nine billion, twenty million, eight hundred eighty-one thousand, two hundred fifty-four".