1769920404 has 24 divisors (see below), whose sum is σ = 4719787968. Its totient is φ = 505691520.

The previous prime is 1769920367. The next prime is 1769920421. The reversal of 1769920404 is 4040299671.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10535157 + ... + 10535324.

It is an arithmetic number, because the mean of its divisors is an integer number (196657832).

Almost surely, 2^1769920404 is an apocalyptic number.

1769920404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1769920404 is an abundant number, since it is smaller than the sum of its proper divisors (2949867564).

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

1769920404 is a wasteful number, since it uses less digits than its factorization.

1769920404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21070495 (or 21070493 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1769920404 is about 42070.4219612782. The cubic root of 1769920404 is about 1209.6263682585.

The spelling of 1769920404 in words is "one billion, seven hundred sixty-nine million, nine hundred twenty thousand, four hundred four".