1004426190 has 64 divisors (see below), whose sum is σ = 2735493120. Its totient is φ = 262144800.

The previous prime is 1004426167. The next prime is 1004426191. The reversal of 1004426190 is 916244001.

1004426190 is a `hidden beast` number, since 1 + 0 + 0 + 4 + 42 + 619 + 0 = 666.

It is a super-2 number, since 2×1004426190² = 2017743942315832200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004426191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26886 + ... + 52265.

It is an arithmetic number, because the mean of its divisors is an integer number (42742080).

Almost surely, 2^1004426190 is an apocalyptic number.

1004426190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1004426190 is an abundant number, since it is smaller than the sum of its proper divisors (1731066930).

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

1004426190 is a wasteful number, since it uses less digits than its factorization.

1004426190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79214 (or 79208 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1004426190 is about 31692.6835405271. The cubic root of 1004426190 is about 1001.4732252083.

The spelling of 1004426190 in words is "one billion, four million, four hundred twenty-six thousand, one hundred ninety".