2091602240 has 336 divisors, whose sum is σ = 6460199424. Its totient is φ = 638668800.

The previous prime is 2091602239. The next prime is 2091602257. The reversal of 2091602240 is 422061902.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 6318875 + ... + 6319205.

It is an arithmetic number, because the mean of its divisors is an integer number (19226784).

Almost surely, 2^2091602240 is an apocalyptic number.

2091602240 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 2091602240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3230099712).

2091602240 is an abundant number, since it is smaller than the sum of its proper divisors (4368597184).

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

2091602240 is a wasteful number, since it uses less digits than its factorization.

2091602240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2091602240 is about 45734.0380898079. The cubic root of 2091602240 is about 1278.8699009782.

The spelling of 2091602240 in words is "two billion, ninety-one million, six hundred two thousand, two hundred forty".