1469801540 has 12 divisors (see below), whose sum is σ = 3086583276. Its totient is φ = 587920608.

The previous prime is 1469801423. The next prime is 1469801549. The reversal of 1469801540 is 451089641.

It can be written as a sum of positive squares in 2 ways, for example, as 392911684 + 1076889856 = 19822^2 + 32816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1469801494 and 1469801503.

It is not an unprimeable number, because it can be changed into a prime (1469801549) 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, 36745019 + ... + 36745058.

It is an arithmetic number, because the mean of its divisors is an integer number (257215273).

Almost surely, 2^1469801540 is an apocalyptic number.

1469801540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1469801540 is an abundant number, since it is smaller than the sum of its proper divisors (1616781736).

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

1469801540 is a wasteful number, since it uses less digits than its factorization.

1469801540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73490086 (or 73490084 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1469801540 is about 38337.9908185080. The cubic root of 1469801540 is about 1136.9801938480.

The spelling of 1469801540 in words is "one billion, four hundred sixty-nine million, eight hundred one thousand, five hundred forty".