1469086440 has 64 divisors (see below), whose sum is σ = 4424112000. Its totient is φ = 390258432.

The previous prime is 1469086391. The next prime is 1469086469. The reversal of 1469086440 is 446809641.

It is a junction number, because it is equal to n+sod(n) for n = 1469086392 and 1469086401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8286 + ... + 54834.

It is an arithmetic number, because the mean of its divisors is an integer number (69126750).

Almost surely, 2^1469086440 is an apocalyptic number.

1469086440 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 1469086440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2212056000).

1469086440 is an abundant number, since it is smaller than the sum of its proper divisors (2955025560).

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

1469086440 is a wasteful number, since it uses less digits than its factorization.

1469086440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46826 (or 46822 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 1469086440 is about 38328.6634256923. The cubic root of 1469086440 is about 1136.7957729340.

The spelling of 1469086440 in words is "one billion, four hundred sixty-nine million, eighty-six thousand, four hundred forty".