1796420440 has 16 divisors (see below), whose sum is σ = 4041946080. Its totient is φ = 718568160.

The previous prime is 1796420419. The next prime is 1796420443. The reversal of 1796420440 is 440246971.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1796420440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1796420443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22455216 + ... + 22455295.

It is an arithmetic number, because the mean of its divisors is an integer number (252621630).

Almost surely, 2^1796420440 is an apocalyptic number.

1796420440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1796420440 is an abundant number, since it is smaller than the sum of its proper divisors (2245525640).

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

1796420440 is a wasteful number, since it uses less digits than its factorization.

1796420440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44910522 (or 44910518 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1796420440 is about 42384.2003581523. The cubic root of 1796420440 is about 1215.6335081911.

The spelling of 1796420440 in words is "one billion, seven hundred ninety-six million, four hundred twenty thousand, four hundred forty".