1409264140 has 48 divisors (see below), whose sum is σ = 3045206304. Its totient is φ = 547430400.

The previous prime is 1409264137. The next prime is 1409264141. The reversal of 1409264140 is 414629041.

It is not an unprimeable number, because it can be changed into a prime (1409264141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472855 + ... + 475825.

It is an arithmetic number, because the mean of its divisors is an integer number (63441798).

Almost surely, 2^1409264140 is an apocalyptic number.

1409264140 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 1409264140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522603152).

1409264140 is an abundant number, since it is smaller than the sum of its proper divisors (1635942164).

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

1409264140 is a wasteful number, since it uses less digits than its factorization.

1409264140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658 (or 3656 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1409264140 is about 37540.1670214718. The cubic root of 1409264140 is about 1121.1510646905.

The spelling of 1409264140 in words is "one billion, four hundred nine million, two hundred sixty-four thousand, one hundred forty".