1349641480 has 32 divisors (see below), whose sum is σ = 3312757440. Its totient is φ = 490778560.

The previous prime is 1349641477. The next prime is 1349641481. The reversal of 1349641480 is 841469431.

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

It is not an unprimeable number, because it can be changed into a prime (1349641481) 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, 1533244 + ... + 1534123.

It is an arithmetic number, because the mean of its divisors is an integer number (103523670).

Almost surely, 2^1349641480 is an apocalyptic number.

1349641480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1349641480 is an abundant number, since it is smaller than the sum of its proper divisors (1963115960).

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

1349641480 is a wasteful number, since it uses less digits than its factorization.

1349641480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067389 (or 3067385 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1349641480 is about 36737.4669785493. The cubic root of 1349641480 is about 1105.1116039690. Note that the first 3 decimals are identical.

The spelling of 1349641480 in words is "one billion, three hundred forty-nine million, six hundred forty-one thousand, four hundred eighty".