1918652496 has 80 divisors (see below), whose sum is σ = 5129338368. Its totient is φ = 617356800.

The previous prime is 1918652473. The next prime is 1918652497. The reversal of 1918652496 is 6942568191.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1918652497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684570 + ... + 687366.

Almost surely, 2^1918652496 is an apocalyptic number.

1918652496 is a gapful number since it is divisible by the number (16) 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 1918652496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2564669184).

1918652496 is an abundant number, since it is smaller than the sum of its proper divisors (3210685872).

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

1918652496 is a wasteful number, since it uses less digits than its factorization.

1918652496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300 (or 3294 counting only the distinct ones).

The product of its digits is 933120, while the sum is 51.

The square root of 1918652496 is about 43802.4256862562. The cubic root of 1918652496 is about 1242.6021698726.

The spelling of 1918652496 in words is "one billion, nine hundred eighteen million, six hundred fifty-two thousand, four hundred ninety-six".