2634220540 has 48 divisors (see below), whose sum is σ = 6331695552. Its totient is φ = 901794816.

The previous prime is 2634220531. The next prime is 2634220577. The reversal of 2634220540 is 450224362.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2634220499 and 2634220508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80884 + ... + 108676.

It is an arithmetic number, because the mean of its divisors is an integer number (131910324).

Almost surely, 2^2634220540 is an apocalyptic number.

2634220540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2634220540 is an abundant number, since it is smaller than the sum of its proper divisors (3697475012).

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

2634220540 is a wasteful number, since it uses less digits than its factorization.

2634220540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28486 (or 28484 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2634220540 is about 51324.6582063631. The cubic root of 2634220540 is about 1381.0753607885.

The spelling of 2634220540 in words is "two billion, six hundred thirty-four million, two hundred twenty thousand, five hundred forty".