2572677840 has 80 divisors (see below), whose sum is σ = 8169852096. Its totient is φ = 669312000.

The previous prime is 2572677827. The next prime is 2572677853. The reversal of 2572677840 is 487762752.

It is an interprime number because it is at equal distance from previous prime (2572677827) and next prime (2572677853).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2572677840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120886 + ... + 140565.

Almost surely, 2^2572677840 is an apocalyptic number.

2572677840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2572677840 is an abundant number, since it is smaller than the sum of its proper divisors (5597174256).

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

2572677840 is a wasteful number, since it uses less digits than its factorization.

2572677840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261508 (or 261502 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The square root of 2572677840 is about 50721.5717422085. The cubic root of 2572677840 is about 1370.2352482875.

The spelling of 2572677840 in words is "two billion, five hundred seventy-two million, six hundred seventy-seven thousand, eight hundred forty".