2807642040840 has 1152 divisors, whose sum is σ = 12251352072960. Its totient is φ = 551273361408.

The previous prime is 2807642040811. The next prime is 2807642040869. The reversal of 2807642040840 is 480402467082.

2807642040840 is a `hidden beast` number, since 2 + 80 + 76 + 420 + 4 + 0 + 84 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2807642040811) and next prime (2807642040869).

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

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 195144127 + ... + 195158513.

It is an arithmetic number, because the mean of its divisors is an integer number (10634854230).

Almost surely, 2^{2807642040840} is an apocalyptic number.

2807642040840 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 2807642040840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6125676036480).

2807642040840 is an abundant number, since it is smaller than the sum of its proper divisors (9443710032120).

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

2807642040840 is a wasteful number, since it uses less digits than its factorization.

2807642040840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14491 (or 14477 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The spelling of 2807642040840 in words is "two trillion, eight hundred seven billion, six hundred forty-two million, forty thousand, eight hundred forty".