50497340400 has 540 divisors, whose sum is σ = 195604100328. Its totient is φ = 11992135680.

The previous prime is 50497340381. The next prime is 50497340461. The reversal of 50497340400 is 404379405.

50497340400 is a `hidden beast` number, since 504 + 9 + 73 + 40 + 40 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 39358159 + ... + 39359441.

Almost surely, 2^50497340400 is an apocalyptic number.

50497340400 is a gapful number since it is divisible by the number (50) 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 50497340400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97802050164).

50497340400 is an abundant number, since it is smaller than the sum of its proper divisors (145106759928).

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

50497340400 is a wasteful number, since it uses less digits than its factorization.

50497340400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 50497340400 in words is "fifty billion, four hundred ninety-seven million, three hundred forty thousand, four hundred".