1408070520 has 256 divisors, whose sum is σ = 4872268800. Its totient is φ = 361428480.

The previous prime is 1408070479. The next prime is 1408070533. The reversal of 1408070520 is 250708041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6673215 + ... + 6673425.

It is an arithmetic number, because the mean of its divisors is an integer number (19032300).

Almost surely, 2^1408070520 is an apocalyptic number.

1408070520 is a gapful number since it is divisible by the number (10) 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 1408070520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2436134400).

1408070520 is an abundant number, since it is smaller than the sum of its proper divisors (3464198280).

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

1408070520 is a wasteful number, since it uses less digits than its factorization.

1408070520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1408070520 is about 37524.2657489790. The cubic root of 1408070520 is about 1120.8344440533.

Adding to 1408070520 its reverse (250708041), we get a palindrome (1658778561).

The spelling of 1408070520 in words is "one billion, four hundred eight million, seventy thousand, five hundred twenty".