50146451644 has 12 divisors (see below), whose sum is σ = 87846119424. Its totient is φ = 25047560384.

The previous prime is 50146451617. The next prime is 50146451657. The reversal of 50146451644 is 44615464105.

It is a happy number.

It is a super-2 number, since 2×50146451644² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50146451597 and 50146451606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6411964 + ... + 6419779.

It is an arithmetic number, because the mean of its divisors is an integer number (7320509952).

Almost surely, 2^50146451644 is an apocalyptic number.

It is an amenable number.

50146451644 is a deficient number, since it is larger than the sum of its proper divisors (37699667780).

50146451644 is a wasteful number, since it uses less digits than its factorization.

50146451644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12832724 (or 12832722 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 50146451644 in words is "fifty billion, one hundred forty-six million, four hundred fifty-one thousand, six hundred forty-four".