1949232280 has 16 divisors (see below), whose sum is σ = 4385772720. Its totient is φ = 779692896.

The previous prime is 1949232253. The next prime is 1949232281. The reversal of 1949232280 is 822329491.

1949232280 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), and also a Moran number because the ratio is a prime number: 48730807 = 1949232280 / (1 + 9 + 4 + 9 + 2 + 3 + 2 + 2 + 8 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949232281) 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, 24365364 + ... + 24365443.

It is an arithmetic number, because the mean of its divisors is an integer number (274110795).

Almost surely, 2^1949232280 is an apocalyptic number.

1949232280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1949232280 is an abundant number, since it is smaller than the sum of its proper divisors (2436540440).

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

1949232280 is a wasteful number, since it uses less digits than its factorization.

1949232280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48730818 (or 48730814 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1949232280 is about 44150.1107586380. The cubic root of 1949232280 is about 1249.1690007413.

The spelling of 1949232280 in words is "one billion, nine hundred forty-nine million, two hundred thirty-two thousand, two hundred eighty".