1880919040 has 352 divisors, whose sum is σ = 6074578944. Its totient is φ = 539688960.

The previous prime is 1880919037. The next prime is 1880919043. The reversal of 1880919040 is 409190881.

It is an interprime number because it is at equal distance from previous prime (1880919037) and next prime (1880919043).

It is a tau number, because it is divible by the number of its divisors (352).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1880918984 and 1880919002.

It is not an unprimeable number, because it can be changed into a prime (1880919043) 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, 5124937 + ... + 5125303.

Almost surely, 2^1880919040 is an apocalyptic number.

1880919040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1880919040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3037289472).

1880919040 is an abundant number, since it is smaller than the sum of its proper divisors (4193659904).

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

1880919040 is a wasteful number, since it uses less digits than its factorization.

1880919040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 1880919040 is about 43369.5635209763. The cubic root of 1880919040 is about 1234.4022393092.

The spelling of 1880919040 in words is "one billion, eight hundred eighty million, nine hundred nineteen thousand, forty".