1413867840 has 448 divisors, whose sum is σ = 5786615808. Its totient is φ = 283852800.

The previous prime is 1413867839. The next prime is 1413867857. The reversal of 1413867840 is 487683141.

It is a tau number, because it is divible by the number of its divisors (448).

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

It is a junction number, because it is equal to n+sod(n) for n = 1413867792 and 1413867801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2291212 + ... + 2291828.

Almost surely, 2^1413867840 is an apocalyptic number.

1413867840 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 1413867840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2893307904).

1413867840 is an abundant number, since it is smaller than the sum of its proper divisors (4372747968).

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

1413867840 is a wasteful number, since it uses less digits than its factorization.

1413867840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1413867840 is about 37601.4340152075. The cubic root of 1413867840 is about 1122.3705741785.

The spelling of 1413867840 in words is "one billion, four hundred thirteen million, eight hundred sixty-seven thousand, eight hundred forty".