380140440 has 32 divisors (see below), whose sum is σ = 1140421680. Its totient is φ = 101370752.

The previous prime is 380140399. The next prime is 380140441. The reversal of 380140440 is 44041083.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 380140440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380140441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583799 + ... + 1584038.

Almost surely, 2^380140440 is an apocalyptic number.

380140440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380140440 is an abundant number, since it is smaller than the sum of its proper divisors (760281240).

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

380140440 is a wasteful number, since it uses less digits than its factorization.

380140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167851 (or 3167847 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 380140440 is about 19497.1905668483. The cubic root of 380140440 is about 724.4048639583.

The spelling of 380140440 in words is "three hundred eighty million, one hundred forty thousand, four hundred forty".