49224293820 has 72 divisors (see below), whose sum is σ = 160799367456. Its totient is φ = 12116748672.

The previous prime is 49224293819. The next prime is 49224293827. The reversal of 49224293820 is 2839242294.

49224293820 is a `hidden beast` number, since 49 + 224 + 2 + 9 + 382 + 0 = 666.

It is a super-2 number, since 2×49224293820² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49224293827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10515672 + ... + 10520351.

It is an arithmetic number, because the mean of its divisors is an integer number (2233324548).

Almost surely, 2^49224293820 is an apocalyptic number.

It is an amenable number.

49224293820 is an abundant number, since it is smaller than the sum of its proper divisors (111575073636).

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

49224293820 is a wasteful number, since it uses less digits than its factorization.

49224293820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21036051 (or 21036046 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 49224293820 in words is "forty-nine billion, two hundred twenty-four million, two hundred ninety-three thousand, eight hundred twenty".