1349473632 has 96 divisors (see below), whose sum is σ = 4015710720. Its totient is φ = 393361920.

The previous prime is 1349473627. The next prime is 1349473649. The reversal of 1349473632 is 2363749431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 4744 + ... + 52167.

It is an arithmetic number, because the mean of its divisors is an integer number (41830320).

Almost surely, 2^1349473632 is an apocalyptic number.

1349473632 is a gapful number since it is divisible by the number (12) 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 1349473632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2007855360).

1349473632 is an abundant number, since it is smaller than the sum of its proper divisors (2666237088).

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

1349473632 is a wasteful number, since it uses less digits than its factorization.

1349473632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56956 (or 56948 counting only the distinct ones).

The product of its digits is 326592, while the sum is 42.

The square root of 1349473632 is about 36735.1824821927. The cubic root of 1349473632 is about 1105.0657897126.

The spelling of 1349473632 in words is "one billion, three hundred forty-nine million, four hundred seventy-three thousand, six hundred thirty-two".