400153503103 has 16 divisors (see below), whose sum is σ = 434831997600. Its totient is φ = 366764783616.

The previous prime is 400153503083. The next prime is 400153503157. The reversal of 400153503103 is 301305351004.

It is a cyclic number.

It is not a de Polignac number, because 400153503103 - 2⁹ = 400153502591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400153501103) 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, 565828 + ... + 1058521.

It is an arithmetic number, because the mean of its divisors is an integer number (27176999850).

Almost surely, 2^400153503103 is an apocalyptic number.

400153503103 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

400153503103 is a deficient number, since it is larger than the sum of its proper divisors (34678494497).

400153503103 is a wasteful number, since it uses less digits than its factorization.

400153503103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624746.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 400153503103 its reverse (301305351004), we get a palindrome (701458854107).

The spelling of 400153503103 in words is "four hundred billion, one hundred fifty-three million, five hundred three thousand, one hundred three".