2742409520 has 20 divisors (see below), whose sum is σ = 6376102320. Its totient is φ = 1096963776.

The previous prime is 2742409499. The next prime is 2742409547. The reversal of 2742409520 is 259042472.

2742409520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17139980 + ... + 17140139.

It is an arithmetic number, because the mean of its divisors is an integer number (318805116).

Almost surely, 2^2742409520 is an apocalyptic number.

2742409520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2742409520 is an abundant number, since it is smaller than the sum of its proper divisors (3633692800).

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

2742409520 is a wasteful number, since it uses less digits than its factorization.

2742409520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34280132 (or 34280126 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2742409520 is about 52368.0200122174. The cubic root of 2742409520 is about 1399.7294579267.

The spelling of 2742409520 in words is "two billion, seven hundred forty-two million, four hundred nine thousand, five hundred twenty".