50778205401030 has 256 divisors, whose sum is σ = 130928555520000. Its totient is φ = 12565157045760.

The previous prime is 50778205400969. The next prime is 50778205401031. The reversal of 50778205401030 is 3010450287705.

It is a super-2 number, since 2×50778205401030² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50778205401031) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15063245245 + ... + 15063248615.

It is an arithmetic number, because the mean of its divisors is an integer number (511439670000).

Almost surely, 2^{50778205401030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50778205401030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65464277760000).

50778205401030 is an abundant number, since it is smaller than the sum of its proper divisors (80150350118970).

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

50778205401030 is a wasteful number, since it uses less digits than its factorization.

50778205401030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4947.

The product of its (nonzero) digits is 235200, while the sum is 42.

Adding to 50778205401030 its reverse (3010450287705), we get a palindrome (53788655688735).

The spelling of 50778205401030 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred five million, four hundred one thousand, thirty".