50778205401460 has 24 divisors (see below), whose sum is σ = 106648379759880. Its totient is φ = 20308587224064.

The previous prime is 50778205401409. The next prime is 50778205401461. The reversal of 50778205401460 is 6410450287705.

It can be written as a sum of positive squares in 4 ways, for example, as 593845936996 + 50184359464464 = 770614^2 + 7084092^2 .

It is a super-2 number, since 2×50778205401460² (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 (50778205401461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168279025 + ... + 168580504.

It is an arithmetic number, because the mean of its divisors is an integer number (4443682489995).

Almost surely, 2^{50778205401460} is an apocalyptic number.

It is an amenable number.

50778205401460 is an abundant number, since it is smaller than the sum of its proper divisors (55870174358420).

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

50778205401460 is a wasteful number, since it uses less digits than its factorization.

50778205401460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336867075 (or 336867073 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 50778205401460 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred five million, four hundred one thousand, four hundred sixty".