1940448280 has 32 divisors (see below), whose sum is σ = 4367283840. Its totient is φ = 775952640.

The previous prime is 1940448271. The next prime is 1940448281. The reversal of 1940448280 is 828440491.

It is a happy number.

1940448280 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940448281) 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, 227452 + ... + 235828.

It is an arithmetic number, because the mean of its divisors is an integer number (136477620).

Almost surely, 2^1940448280 is an apocalyptic number.

1940448280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1940448280 is an abundant number, since it is smaller than the sum of its proper divisors (2426835560).

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

1940448280 is a wasteful number, since it uses less digits than its factorization.

1940448280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14179 (or 14175 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 1940448280 is about 44050.5196337115. The cubic root of 1940448280 is about 1247.2897609973.

The spelling of 1940448280 in words is "one billion, nine hundred forty million, four hundred forty-eight thousand, two hundred eighty".