1405310540 has 12 divisors (see below), whose sum is σ = 2951152176. Its totient is φ = 562124208.

The previous prime is 1405310537. The next prime is 1405310567. The reversal of 1405310540 is 450135041.

1405310540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35132744 + ... + 35132783.

It is an arithmetic number, because the mean of its divisors is an integer number (245929348).

Almost surely, 2^1405310540 is an apocalyptic number.

1405310540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1405310540 is an abundant number, since it is smaller than the sum of its proper divisors (1545841636).

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

1405310540 is a wasteful number, since it uses less digits than its factorization.

1405310540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70265536 (or 70265534 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1405310540 is about 37487.4717739140. The cubic root of 1405310540 is about 1120.1016436239.

Adding to 1405310540 its reverse (450135041), we get a palindrome (1855445581).

The spelling of 1405310540 in words is "one billion, four hundred five million, three hundred ten thousand, five hundred forty".