1416659440 has 40 divisors (see below), whose sum is σ = 3764268000. Its totient is φ = 485711616.

The previous prime is 1416659423. The next prime is 1416659449. The reversal of 1416659440 is 449566141.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1416659440² = 4013847937882227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1416659393 and 1416659402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416659449) 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, 1264315 + ... + 1265434.

It is an arithmetic number, because the mean of its divisors is an integer number (94106700).

Almost surely, 2^1416659440 is an apocalyptic number.

1416659440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1416659440 is an abundant number, since it is smaller than the sum of its proper divisors (2347608560).

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

1416659440 is a wasteful number, since it uses less digits than its factorization.

1416659440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529769 (or 2529763 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1416659440 is about 37638.5366346780. The cubic root of 1416659440 is about 1123.1087737357.

The spelling of 1416659440 in words is "one billion, four hundred sixteen million, six hundred fifty-nine thousand, four hundred forty".