49038042438 has 384 divisors, whose sum is σ = 146259993600. Its totient is φ = 11886082560.

The previous prime is 49038042421. The next prime is 49038042451. The reversal of 49038042438 is 83424083094.

49038042438 is a `hidden beast` number, since 490 + 3 + 80 + 42 + 43 + 8 = 666.

49038042438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 49038042393 and 49038042402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 63438220 + ... + 63438992.

It is an arithmetic number, because the mean of its divisors is an integer number (380885400).

Almost surely, 2^49038042438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49038042438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73129996800).

49038042438 is an abundant number, since it is smaller than the sum of its proper divisors (97221951162).

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

49038042438 is a wasteful number, since it uses less digits than its factorization.

49038042438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 49038042438 in words is "forty-nine billion, thirty-eight million, forty-two thousand, four hundred thirty-eight".