49429444020 has 96 divisors (see below), whose sum is σ = 151546308480. Its totient is φ = 11938306560.

The previous prime is 49429443989. The next prime is 49429444061. The reversal of 49429444020 is 2044492494.

49429444020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×49429444020² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38334 + ... + 316746.

It is an arithmetic number, because the mean of its divisors is an integer number (1578607380).

Almost surely, 2^49429444020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49429444020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75773154240).

49429444020 is an abundant number, since it is smaller than the sum of its proper divisors (102116864460).

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

49429444020 is a wasteful number, since it uses less digits than its factorization.

49429444020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278705 (or 278703 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 49429444020 in words is "forty-nine billion, four hundred twenty-nine million, four hundred forty-four thousand, twenty".