903400391106 has 24 divisors (see below), whose sum is σ = 1967509322220. Its totient is φ = 299573185536.

The previous prime is 903400391087. The next prime is 903400391129. The reversal of 903400391106 is 601193004309.

It can be written as a sum of positive squares in 2 ways, for example, as 771075415881 + 132324975225 = 878109^2 + 363765^2 .

It is a super-2 number, since 2×903400391106² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130019611 + ... + 130026558.

Almost surely, 2^903400391106 is an apocalyptic number.

903400391106 is an abundant number, since it is smaller than the sum of its proper divisors (1064108931114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

903400391106 is a wasteful number, since it uses less digits than its factorization.

903400391106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260046370 (or 260046367 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 903400391106 in words is "nine hundred three billion, four hundred million, three hundred ninety-one thousand, one hundred six".