1408513855 has 8 divisors (see below), whose sum is σ = 1931676192. Its totient is φ = 965838048.

The previous prime is 1408513853. The next prime is 1408513879. The reversal of 1408513855 is 5583158041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1408513855 - 2¹ = 1408513853 is a prime.

It is a super-2 number, since 2×1408513855² = 3967822559453922050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408513853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20121592 + ... + 20121661.

It is an arithmetic number, because the mean of its divisors is an integer number (241459524).

Almost surely, 2^1408513855 is an apocalyptic number.

1408513855 is a deficient number, since it is larger than the sum of its proper divisors (523162337).

1408513855 is an equidigital number, since it uses as much as digits as its factorization.

1408513855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40243265.

The product of its (nonzero) digits is 96000, while the sum is 40.

The square root of 1408513855 is about 37530.1725948603. The cubic root of 1408513855 is about 1120.9520643452.

The spelling of 1408513855 in words is "one billion, four hundred eight million, five hundred thirteen thousand, eight hundred fifty-five".