50490786240 has 420 divisors, whose sum is σ = 185676756408. Its totient is φ = 13023452160.

The previous prime is 50490786239. The next prime is 50490786263. The reversal of 50490786240 is 4268709405.

It is a happy number.

50490786240 is a `hidden beast` number, since 50 + 490 + 78 + 6 + 2 + 40 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 24908107 + ... + 24910133.

Almost surely, 2^50490786240 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 50490786240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92838378204).

50490786240 is an abundant number, since it is smaller than the sum of its proper divisors (135185970168).

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

50490786240 is a wasteful number, since it uses less digits than its factorization.

50490786240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 50490786240 in words is "fifty billion, four hundred ninety million, seven hundred eighty-six thousand, two hundred forty".