1914404544 has 336 divisors, whose sum is σ = 6500396448. Its totient is φ = 553402368.

The previous prime is 1914404537. The next prime is 1914404567. The reversal of 1914404544 is 4454044191.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1914404499 and 1914404508.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3436714 + ... + 3437270.

It is an arithmetic number, because the mean of its divisors is an integer number (19346418).

Almost surely, 2^1914404544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1914404544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3250198224).

1914404544 is an abundant number, since it is smaller than the sum of its proper divisors (4585991904).

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

1914404544 is a wasteful number, since it uses less digits than its factorization.

1914404544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1914404544 is about 43753.9088996629. The cubic root of 1914404544 is about 1241.6844398899.

The spelling of 1914404544 in words is "one billion, nine hundred fourteen million, four hundred four thousand, five hundred forty-four".