10400155215 has 16 divisors (see below), whose sum is σ = 16811799648. Its totient is φ = 5489565696.

The previous prime is 10400155169. The next prime is 10400155217. The reversal of 10400155215 is 51255100401.

It is not a de Polignac number, because 10400155215 - 2¹⁷ = 10400024143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400155217) 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, 3572482 + ... + 3575391.

It is an arithmetic number, because the mean of its divisors is an integer number (1050737478).

Almost surely, 2^10400155215 is an apocalyptic number.

10400155215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10400155215 is a deficient number, since it is larger than the sum of its proper divisors (6411644433).

10400155215 is an equidigital number, since it uses as much as digits as its factorization.

10400155215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7147978.

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 10400155215 its reverse (51255100401), we get a palindrome (61655255616).

The spelling of 10400155215 in words is "ten billion, four hundred million, one hundred fifty-five thousand, two hundred fifteen".