10421390478 has 16 divisors (see below), whose sum is σ = 20844951120. Its totient is φ = 3473435136.

The previous prime is 10421390471. The next prime is 10421390489. The reversal of 10421390478 is 87409312401.

10421390478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421390471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24273 + ... + 146396.

It is an arithmetic number, because the mean of its divisors is an integer number (1302809445).

Almost surely, 2^10421390478 is an apocalyptic number.

10421390478 is an abundant number, since it is smaller than the sum of its proper divisors (10423560642).

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

10421390478 is a wasteful number, since it uses less digits than its factorization.

10421390478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180851.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 10421390478 in words is "ten billion, four hundred twenty-one million, three hundred ninety thousand, four hundred seventy-eight".