10400421982 has 32 divisors (see below), whose sum is σ = 16346538432. Its totient is φ = 4958164224.

The previous prime is 10400421947. The next prime is 10400422057. The reversal of 10400421982 is 28912400401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841983 + ... + 854245.

It is an arithmetic number, because the mean of its divisors is an integer number (510829326).

Almost surely, 2^10400421982 is an apocalyptic number.

10400421982 is a deficient number, since it is larger than the sum of its proper divisors (5946116450).

10400421982 is a wasteful number, since it uses less digits than its factorization.

10400421982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12532.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 10400421982 in words is "ten billion, four hundred million, four hundred twenty-one thousand, nine hundred eighty-two".