1301404040 has 32 divisors (see below), whose sum is σ = 2931185880. Its totient is φ = 520023552.

The previous prime is 1301404033. The next prime is 1301404063. The reversal of 1301404040 is 404041031.

It can be written as a sum of positive squares in 4 ways, for example, as 1267787236 + 33616804 = 35606^2 + 5798^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23564 + ... + 56196.

Almost surely, 2^1301404040 is an apocalyptic number.

1301404040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301404040 is an abundant number, since it is smaller than the sum of its proper divisors (1629781840).

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

1301404040 is a wasteful number, since it uses less digits than its factorization.

1301404040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33641 (or 33637 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1301404040 is about 36074.9780318713. The cubic root of 1301404040 is about 1091.7856543250.

Adding to 1301404040 its reverse (404041031), we get a palindrome (1705445071).

The spelling of 1301404040 in words is "one billion, three hundred one million, four hundred four thousand, forty".