1409168028 has 24 divisors (see below), whose sum is σ = 3350099088. Its totient is φ = 460859776.

The previous prime is 1409168017. The next prime is 1409168069. The reversal of 1409168028 is 8208619041.

It is a super-2 number, since 2×1409168028² = 3971509062274817568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107201 + ... + 1108472.

It is an arithmetic number, because the mean of its divisors is an integer number (139587462).

Almost surely, 2^1409168028 is an apocalyptic number.

It is an amenable number.

1409168028 is an abundant number, since it is smaller than the sum of its proper divisors (1940931060).

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

1409168028 is a wasteful number, since it uses less digits than its factorization.

1409168028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215733 (or 2215731 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 1409168028 is about 37538.8868774768. The cubic root of 1409168028 is about 1121.1255765609.

The spelling of 1409168028 in words is "one billion, four hundred nine million, one hundred sixty-eight thousand, twenty-eight".