2691924480 has 240 divisors, whose sum is σ = 10655371584. Its totient is φ = 615260160.

The previous prime is 2691924479. The next prime is 2691924493. The reversal of 2691924480 is 844291962.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152935 + ... + 169625.

Almost surely, 2^2691924480 is an apocalyptic number.

2691924480 is a gapful number since it is divisible by the number (20) 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 2691924480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5327685792).

2691924480 is an abundant number, since it is smaller than the sum of its proper divisors (7963447104).

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

2691924480 is a wasteful number, since it uses less digits than its factorization.

2691924480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16727 (or 16708 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2691924480 is about 51883.7593086700. The cubic root of 2691924480 is about 1391.0869954306.

The spelling of 2691924480 in words is "two billion, six hundred ninety-one million, nine hundred twenty-four thousand, four hundred eighty".