1338772470 has 32 divisors (see below), whose sum is σ = 3672062208. Its totient is φ = 306005088.

The previous prime is 1338772439. The next prime is 1338772489. The reversal of 1338772470 is 742778331.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 3187344 + ... + 3187763.

It is an arithmetic number, because the mean of its divisors is an integer number (114751944).

Almost surely, 2^1338772470 is an apocalyptic number.

1338772470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1338772470 is an abundant number, since it is smaller than the sum of its proper divisors (2333289738).

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

1338772470 is a wasteful number, since it uses less digits than its factorization.

1338772470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6375124.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 1338772470 is about 36589.2398117261. The cubic root of 1338772470 is about 1102.1370219266.

The spelling of 1338772470 in words is "one billion, three hundred thirty-eight million, seven hundred seventy-two thousand, four hundred seventy".