10402420401 has 12 divisors (see below), whose sum is σ = 15061584720. Its totient is φ = 6918393240.

The previous prime is 10402420387. The next prime is 10402420403.

10402420401 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 10402420401 - 2¹¹ = 10402418353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10402420403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1375495 + ... + 1383036.

It is an arithmetic number, because the mean of its divisors is an integer number (1255132060).

Almost surely, 2^10402420401 is an apocalyptic number.

It is an amenable number.

10402420401 is a deficient number, since it is larger than the sum of its proper divisors (4659164319).

10402420401 is a wasteful number, since it uses less digits than its factorization.

10402420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758956 (or 2758953 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The spelling of 10402420401 in words is "ten billion, four hundred two million, four hundred twenty thousand, four hundred one".