10400208785470 has 32 divisors (see below), whose sum is σ = 21421900482048. Its totient is φ = 3561254991648.

The previous prime is 10400208785431. The next prime is 10400208785471. The reversal of 10400208785470 is 7458780200401.

It is a self number, because there is not a number n which added to its sum of digits gives 10400208785470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400208785471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94337802 + ... + 94447981.

It is an arithmetic number, because the mean of its divisors is an integer number (669434390064).

Almost surely, 2^{10400208785470} is an apocalyptic number.

10400208785470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10400208785470 is an abundant number, since it is smaller than the sum of its proper divisors (11021691696578).

10400208785470 is a wasteful number, since it uses less digits than its factorization.

10400208785470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188786584.

The product of its (nonzero) digits is 501760, while the sum is 46.

Adding to 10400208785470 its reverse (7458780200401), we get a palindrome (17858988985871).

The spelling of 10400208785470 in words is "ten trillion, four hundred billion, two hundred eight million, seven hundred eighty-five thousand, four hundred seventy".