1406802840 has 64 divisors (see below), whose sum is σ = 4261420800. Its totient is φ = 371501952.

The previous prime is 1406802833. The next prime is 1406802851. The reversal of 1406802840 is 482086041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44550 + ... + 69269.

It is an arithmetic number, because the mean of its divisors is an integer number (66584700).

Almost surely, 2^1406802840 is an apocalyptic number.

1406802840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406802840 is an abundant number, since it is smaller than the sum of its proper divisors (2854617960).

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

1406802840 is a wasteful number, since it uses less digits than its factorization.

1406802840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113936 (or 113932 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 1406802840 is about 37507.3704756812. The cubic root of 1406802840 is about 1120.4979822073.

Adding to 1406802840 its reverse (482086041), we get a palindrome (1888888881).

The spelling of 1406802840 in words is "one billion, four hundred six million, eight hundred two thousand, eight hundred forty".