49877879040 has 432 divisors, whose sum is σ = 194348883456. Its totient is φ = 11700633600.

The previous prime is 49877878997. The next prime is 49877879053. The reversal of 49877879040 is 4097877894.

It is a happy number.

49877879040 is a `hidden beast` number, since 498 + 7 + 78 + 79 + 0 + 4 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3921972 + ... + 3934668.

Almost surely, 2^49877879040 is an apocalyptic number.

49877879040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49877879040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97174441728).

49877879040 is an abundant number, since it is smaller than the sum of its proper divisors (144471004416).

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

49877879040 is a wasteful number, since it uses less digits than its factorization.

49877879040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12766 (or 12749 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The spelling of 49877879040 in words is "forty-nine billion, eight hundred seventy-seven million, eight hundred seventy-nine thousand, forty".