10406440473 has 32 divisors (see below), whose sum is σ = 16577326080. Its totient is φ = 5723096640.

The previous prime is 10406440463. The next prime is 10406440493. The reversal of 10406440473 is 37404460401.

It is not a de Polignac number, because 10406440473 - 2²¹ = 10404343321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (10406440463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180261 + ... + 230882.

It is an arithmetic number, because the mean of its divisors is an integer number (518041440).

Almost surely, 2^10406440473 is an apocalyptic number.

10406440473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10406440473 is a deficient number, since it is larger than the sum of its proper divisors (6170885607).

10406440473 is a wasteful number, since it uses less digits than its factorization.

10406440473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411229.

The product of its (nonzero) digits is 32256, while the sum is 33.

The spelling of 10406440473 in words is "ten billion, four hundred six million, four hundred forty thousand, four hundred seventy-three".