1416731904 has 432 divisors, whose sum is σ = 5033145600. Its totient is φ = 391716864.

The previous prime is 1416731881. The next prime is 1416731909. The reversal of 1416731904 is 4091376141.

It is a tau number, because it is divible by the number of its divisors (432).

It is a super-2 number, since 2×1416731904² = 4014258575622930432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416731909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15918292 + ... + 15918380.

It is an arithmetic number, because the mean of its divisors is an integer number (11650800).

Almost surely, 2^1416731904 is an apocalyptic number.

1416731904 is a gapful number since it is divisible by the number (14) 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 1416731904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2516572800).

1416731904 is an abundant number, since it is smaller than the sum of its proper divisors (3616413696).

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

1416731904 is an equidigital number, since it uses as much as digits as its factorization.

1416731904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1416731904 is about 37639.4992527797. The cubic root of 1416731904 is about 1123.1279229079.

The spelling of 1416731904 in words is "one billion, four hundred sixteen million, seven hundred thirty-one thousand, nine hundred four".